Acerca de este sitio ¿Qué temas se tratan en este sitio? Muchos, todos aquellos que llamen mi atención. Con el fin de responder con mayor precisión a esta pregunta y de poner algo de orden en el desorden temático que dicha respuesta trae consigo, este sitio (y en especial el blog) está clasificado, organizado o etiquetado bajo el sistema decimal de clasificación Dewey (DDCS).Aquí se muestra un listado (no exhaustivo) de la clasificación temática del DDCS. Los temas que han sido tratados en este sitio se marcan en naranja.

000 Computer science, knowledge & systems

001 Knowledge.
002 The book.
003 Systems.
004 Computer science.
004.01
004.015
004.0151 Mathematical principles.
. . .
004.019 Psychological principles.
004.02
004.023 Computer science–vocational guidance.
004.028 Auxiliary techniques and procedures; apparatus, equipment, materials.
004.029 Performance evaluation–computer science.

004.03 Computer science–dictionaries.
004.06
004.068
004.0688 Computers–marketing management.
004.07
004.071 Computer science–education.
004.076 Computer science–examinations.
004.08
004.082 Computers and women.
004.0846 Computers and older people.
004.0871 Computers and the visually-impaired people.
004.0883
004.08837
004.088378
004.0883781
004.0883789
004.088378198 Computers and college students.
004.09 Computers–history.
004.1 General works on specific types of computers.
004.2 Systems analysis and design, computer architecture, performance evaluation.
004.3 Processing modes.
004.5 Storage.
004.6 Interfacing and communications.
004.7 Peripherals.
004.9 Nonelectronic data processing.
005 Computer programming, programs, data.
005.01 Programming.
005.019 Psychological principles.
005.06 Programming.
005.068 Programming.
005.0684 Software consultants.
005.1 Programming.
005.133 Python.
005.2 Programming for specific types of computers, for specific operating systems, for specific user interfaces.
005.3 Programs.
005.4 Systems programming and programs.
005.5 General purpose application programs.
005.7 Data in computer systems.
005.8 Data security.
006 Special computer methods.
006.2 Special-purpose systems.
006.3 Artificial intelligence.
006.30
006.301 Artificial intelligence–philosophy.
006.31 Machine learning.
006.32 Neural nets (Neural networks).
006.33 Knowledge-based systems.
006.35 Natural language processing.
006.37 Computer vision.
006.4 Computer pattern recognition.
006.5 Digital audio.
006.6 Computer graphics.
006.7 Multimedia systems.
006.8 Augmented and virtual reality.
007 [Unassigned].
008 [Unassigned].
009 [Unassigned].
010 Bibliography.
011 Bibliographies.
012 Bibliographies of individuals.
013 [Unassigned].
014 Of anonymous & pseudonymous works.
015 Bibliographies of works from specific places.
016 Bibliographies of works on specific subjects.
017 General subject catalogs.
018 Catalogs arranged by author, date, etc..
019 Dictionary catalogs.
020 Library & information sciences.
021 Library relationships.
022 Administration of physical plant.
023 Personnel management.
024 [Unassigned].
025 Library operations.

025.04 Search engines.
025.4 Subject analysis and control.

025.431 Dewey.

026 Libraries for specific subjects.
027 General libraries.
028 Reading & use of other information media.
029 [Unassigned].
030 General encyclopedic works.
031 Encyclopedias in American English.
032 Encyclopedias in English.
033 In other Germanic languages.
034 Encyclopedias in French, Occitan & Catalan.
035 In Italian, Romanian & related languages.
036 Encyclopedias in Spanish & Portuguese.
037 Encyclopedias in Slavic languages.
038 Encyclopedias in Scandinavian languages.
039 Encyclopedias in other languages.
040 [Unassigned].
041 [Unassigned].
042 [Unassigned].
043 [Unassigned].
044 [Unassigned].
045 [Unassigned].
046 [Unassigned].
047 [Unassigned].
048 [Unassigned].
049 [Unassigned].
050 General serial publications.
051 Serials in American English.
052 Serials in English.
053 Serials in other Germanic languages.
054 Serials in French, Occitan & Catalan.
055 In Italian, Romanian & related languages.
056 Serials in Spanish & Portuguese.
057 Serials in Slavic languages.
058 Serials in Scandinavian languages.
059 Serials in other languages.
060 General organizations & museum science.
061 Organizations in North America.
062 Organizations in British Isles; in England.
063 Organizations in central Europe; in Germany.
064 Organizations in France & Monaco.
065 Organizations in Italy & adjacent islands.
066 In Iberian Peninsula & adjacent islands.
067 Organizations in eastern Europe; in Russia.
068 Organizations in other geographic areas.
069 Museum science.
070 News media, journalism & publishing.

070.19 BBC

071 Newspapers in North America.
072 Newspapers in British Isles; in England.
073 Newspapers in central Europe; in Germany.
074 Newspapers in France & Monaco.
075 Newspapers in Italy & adjacent islands.
076 In Iberian Peninsula & adjacent islands.
077 Newspapers in eastern Europe; in Russia.
078 Newspapers in Scandinavia.
079 Newspapers in other geographic areas.
080 General collections.
081 Collections in American English.
082 Collections in English.
083 Collections in other Germanic languages.
084 Collections in French, Occitan & Catalan.
085 In Italian, Romanian & related languages.
086 Collections in Spanish & Portuguese.
087 Collections in Slavic languages.
088 Collections in Scandinavian languages.
089 Collections in other languages.
090 Manuscripts & rare books.
091 Manuscripts.
092 Block books.
093 Incunabula.
094 Printed books.
095 Books notable for bindings.
096 Books notable for illustrations.
097 Books notable for ownership or origin.
098 Prohibited works, forgeries & hoaxes.
099 Books notable for format.


100 Philosophy & psychology.


101 Theory of philosophy.
102 Miscellany.
103 Dictionaries & encyclopedias.
104 [Unassigned].
105 Serial publications.
106 Organizations & management.
107 Education, research & related topics.
108 Kinds of persons treatment.
109 Historical & collected persons treatment.
110 Metaphysics.
111 Ontology.
112 [Unassigned].
113 Cosmology.
114 Space.
115 Time.
116 Change.
117 Structure.
118 Force & energy.
119 Number & quantity.
120 Epistemology, causation & humankind.
121 Epistemology.
122 Causation.
123 Determinism & indeterminism.
124 Teleology.
125 [Unassigned].
126 The self.
127 The unconscious & the subconscious.
128 Humankind.
129 Origin & destiny of individual souls.
130 Parapsychology & occultism.
131 Parapsychological & occult methods.
132 [Unassigned].
133 Specific topics in parapsychology & occultism.
134 [Unassigned].
135 Dreams & mysteries.
136 [Unassigned].
137 Divinatory graphology.
138 Physiognomy.
139 Phrenology.
140 Specific philosophical schools.
141 Idealism & related systems.
142 Critical philosophy.
143 Bergsonism & intuitionism.
144 Humanism & related systems.
145 Sensationalism.
146 Naturalism & related systems.
147 Pantheism & related systems.
148 Eclecticism, liberalism & traditionalism.
149 Other philosophical systems.
150 Psychology.
151 [Unassigned].
152 Perception, movement, emotions & drives.
153 Mental processes & intelligence.
154 Subconscious & altered states.
155 Differential & developmental psychology.
156 Comparative psychology.
157 [Unassigned].
158 Applied psychology.
159 [Unassigned].
160 Logic.
161 Induction.
162 Deduction.
163 [Unassigned].
164 [Unassigned].
165 Fallacies & sources of error.
166 Syllogisms.
167 Hypotheses.
168 Argument & persuasion.
169 Analogy.
170 Ethics.
171 Ethical systems.
172 Political ethics.
173 Ethics of family relationships.
174 Occupational ethics.
175 Ethics of recreation & leisure.
176 Ethics of sex & reproduction.
177 Ethics of social relations.
178 Ethics of consumption.
179 Other ethical norms.
180 Ancient, medieval & eastern philosophy.
181 Eastern philosophy.
182 Pre-Socratic Greek philosophies.
183 Socratic & related philosophies.
184 Platonic philosophy.
185 Aristotelian philosophy.
186 Skeptic & Neoplatonic philosophies.
187 Epicurean philosophy.
188 Stoic philosophy.
189 Medieval western philosophy.
190 Modern western philosophy.
191 Philosophy of United States & Canada.
192 Philosophy of British Isles.
193 Philosophy of Germany & Austria.
194 Philosophy of France.
195 Philosophy of Italy.
196 Philosophy of Spain & Portugal.
197 Philosophy of former Soviet Union.
198 Philosophy of Scandinavia.
199 Philosophy in other geographic areas.


200 Religion.


201 Religious mythology & social theology.
202 Doctrines.
203 Public worship & other practices.
204 Religious experience, life & practice.
205 Religious ethics.
206 Leaders & organization.
207 Missions & religious education.
208 Sources.
209 Sects & reform movements.
210 Philosophy & theory of religion.
211 Concepts of God.
212 Existence, knowability & attributes of God.
213 Creation.
214 Theodicy.
215 Science & religion.
216 [Unassigned].
217 [Unassigned].
218 Humankind.
219 [Unassigned].
220 Bible.
221 Old Testament (Tanakh).
222 Historical books of Old Testament.
223 Poetic books of Old Testament.
224 Prophetic books of Old Testament.
225 New Testament.
226 Gospels & Acts.
227 Epistles.
228 Revelation (Apocalypse).
229 Apocrypha & pseudepigrapha.
230 Christianity & Christian theology.
231 God.
232 Jesus Christ & his family.
233 Humankind.
234 Salvation & grace.
235 Spiritual beings.
236 Eschatology.
237 [Unassigned].
238 Creeds & catechisms.
239 Apologetics & polemics.
240 Christian moral & devotional theology.
241 Christian ethics.
242 Devotional literature.
243 Evangelistic writings for individuals.
244 [Unassigned].
245 [Unassigned].
246 Use of art in Christianity.
247 Church furnishings & articles.
248 Christian experience, practice & life.
249 Christian observances in family life.
250 Christian orders & local church.
251 Preaching.
252 Texts of sermons.
253 Pastoral office & work.
254 Parish administration.
255 Religious congregations & orders.
256 [Unassigned].
257 [Unassigned].
258 [Unassigned].
259 Pastoral care of families & kinds of persons.
260 Social & ecclesiastical theology.
261 Social theology.
262 Ecclesiology.
263 Days, times & places of observance.
264 Public worship.
265 Sacraments, other rites & acts.
266 Missions.
267 Associations for religious work.
268 Religious education.
269 Spiritual renewal.
270 History of Christianity & Christian church.
271 Religious orders in church history.
272 Persecutions in church history.
273 Doctrinal controversies & heresies.
274 History of Christianity in Europe.
275 History of Christianity in Asia.
276 History of Christianity in Africa.
277 History of Christianity in North America.
278 History of Christianity in South America.
279 History of Christianity in other areas.
280 Christian denominations & sects.
281 Early church & Eastern churches.
282 Roman Catholic Church.
283 Anglican churches.
284 Protestants of Continental origin.
285 Presbyterian, Reformed & Congregational.
286 Baptist, Disciples of Christ & Adventist.
287 Methodist & related churches.
288 [Unassigned].
289 Other denominations & sects.
290 Other religions.
291 [Unassigned].
292 Greek & Roman religion.
293 Germanic religion.
294 Religions of Indic origin.
295 Zoroastrianism.
296 Judaism.
297 Islam, Babism & Bahai Faith.
298 (Optional number).
299 Religions not provided for elsewhere.


300 Social sciences.


301 Sociology & anthropology.
302 Social interaction.

302.23 Mass media.

303 Social processes.
304 Factors affecting social behavior.
305 Social groups.
306 Culture & institutions.
307 Communities.
308 [Unassigned].
309 [Unassigned].
310 Collections of general statistics.
311 [Unassigned].
312 [Unassigned].
313 [Unassigned].
314 General statistics of Europe.
315 General statistics of Asia.
316 General statistics of Africa.
317 General statistics of North America.
318 General statistics of South America.
319 General statistics of other areas.
320 Political science.
321 Systems of governments & states.
322 Relation of state to organized groups.
323 Civil & political rights.
324 The political process.
325 International migration & colonization.
326 Slavery & emancipation.
327 International relations.
328 The legislative process.
329 [Unassigned].
330 Economics.
331 Labor economics.
332 Financial economics.

332.02 Miscellany and personal finance.

332.024 Personal finance.

32.4 Money, Paper money, Gold, Inflation (Finance), (Currency), (Standard of value), (Legal tender), Exchange, Foreign exchange, (Exchange rates).

332.63 Stocks, (Stock market), (Stock quotes), Bonds, Mutual funds, Securities, (Investments), (Foreign investments).
332.64 Stock exchange, (Securities exchange).

332.7 Credit, credit system.

332.765 Credit cards.

333 Economics of land & energy.

333.7 Natural resources, Environment.

334 Cooperatives.
335 Socialism & related systems.
336 Public finance.
337 International economics.
338 Production.

338.5 Microeconomics.

339 Macroeconomics & related topics.
340 Law.
341 Law of nations.
342 Constitutional & administrative law.
343 Military, defense, public property, public finance, tax, commerce (trade), industrial law.
344 Labor, social, education & cultural law.
345 Criminal law.
346 Private law.

346.4 Copyright, Fair use (Copyright), (Intellectual property), (Literary property), (International copyright), (Cyberlaw), Trademarks, (Logos), (Company symbols), (Corporate symbols), (Trade marks).

347 Civil procedure & courts.
348 Laws, regulations & cases.
349 Law of specific jurisdictions & areas.
350 Public administration & military science.
351 Public administration.
352 General considerations of public administration.
353 Specific fields of public administration.
354 Administration of economy & environment.
355 Military science.
356 Infantry forces & warfare.
357 Mounted forces & warfare.
358 Air & other specialized forces.
359 Sea forces & warfare.
360 Social problems & services; associations.
361 Social problems & social welfare in general.
362 Social welfare problems & services.
363 Other social problems & services.

363.7 Environmental problems & protection.

364 Criminology.

364.164 Violent offenses against property.

365 Penal & related institutions.
366 Associations.
367 General clubs.
368 Insurance.
369 Miscellaneous kinds of associations.
370 Education.
371 Schools & their activities; special education.
372 Elementary education.
373 Secondary education.
374 Adult education.
375 Curricula.
376 [Unassigned].
377 [Unassigned].
378 Higher education.
379 Public policy issues in education.
380 Commerce, communications & transportation.
381 Commerce.
382 International commerce.
383 Postal communication.
384 Communications; telecommunication.

384.04 Special topics of communications.
384.068 Telecommunication–management.
384.08 Minorities–communications.
384.092 Communications workers.
384.0973 United States. Federal Communications Commission.
384.1 Telegraphy.
384.3 Computer communication.
384.5 Wireless communication.
384.6 Telephony.
384.8 Motion pictures

385 Railroad transportation.
386 Inland waterway & ferry transportation.
387 Water, air & space transportation.
388 Transportation; ground transportation.

388.3 Vehicular transportation.

388.31 Traffic flow and maintenance.

388.312 Highway services.

388.3122 Traffic control through signs and signals.
388.3124 Driver information.

388.314 Highway use.

388.3142 Traffic volume.
388.3143 Traffic patterns.
388.3144 Speed limits.

388.32 Vehicular activities and services.
388.33 Terminals, stations, stops.
388.34 Vehicles.
388.35 Air-cushion vehicles.

388.4 Local transportation

388.404 Special topics of local transportation.

388.4087 Urban transportation–disabled people.

388.41 Vehicular and pedestrian traffic.

388.411 Urban roads.
388.413 Activities and services

388.4131 Traffic flow and maintenance.
388.41312 Traffic control–road transportation–urban.
388.41314 Roads–use–urban.

388.413142 Traffic volume–streets.
388.413143 Traffic patterns–streets.
388.413144 Speed limits–urban.

388.4132 Vehicular services.

388.42 Local rail transit systems.
388.46 Light rail transit systems.
388.47 Terminals, stations, parking facilities.

390 Customs, etiquette & folklore.
391 Costume & personal appearance.
392 Customs of life cycle & domestic life.
393 Death customs.
394 General customs.
395 Etiquette (Manners).
396 [Unassigned].
397 [Unassigned].
398 Folklore.

398.09 History, geographic treatment, biography of folklore.

398.2 Folk literature
398.3 Real phenomena as subjects of folklore
398.4 Paranatural and legendary phenomena as subjects of folklore
398.6 Riddles
398.7 Jokes and jests
398.8 Rhymes and rhyming games
398.9 Proverbs

399 Customs of war & diplomacy.


400 Language.


401 Philosophy & theory.
402 Miscellany.
403 Dictionaries & encyclopedias.
404 Special topics.
405 Serial publications.
406 Organizations & management.
407 Education, research & related topics.
408 Kinds of persons treatment.
409 Geographic & persons treatment.
410 Linguistics.
411 Writing systems.
412 Etymology.
413 Dictionaries.
414 Phonology & phonetics.
415 Grammar.
416 [Unassigned].
417 Dialectology & historical linguistics.
418 Standard usage & applied linguistics.
419 Sign languages.
420 English & Old English.
421 English writing system & phonology.
422 English etymology.
423 English dictionaries.
424 [Unassigned].
425 English grammar.
426 [Unassigned].
427 English language variations.
428 Standard English usage.
429 Old English (Anglo-Saxon).
430 Germanic languages; German.
431 German writing systems & phonology.
432 German etymology.
433 German dictionaries.
434 [Unassigned].
435 German grammar.
436 [Unassigned].
437 German language variations.
438 Standard German usage.
439 Other Germanic languages.
440 Romance languages; French.
441 French writing systems & phonology.
442 French etymology.
443 French dictionaries.
444 [Unassigned].
445 French grammar.
446 [Unassigned].
447 French language variations.
448 Standard French usage.
449 Occitan & Catalan.
450 Italian, Romanian & related languages.
451 Italian writing systems & phonology.
452 Italian etymology.
453 Italian dictionaries.
454 [Unassigned].
455 Italian grammar.
456 [Unassigned].
457 Italian language variations.
458 Standard Italian usage.
459 Romanian & related languages.
460 Spanish & Portuguese languages.
461 Spanish writing systems & phonology.
462 Spanish etymology.
463 Spanish dictionaries.
464 [Unassigned].
465 Spanish grammar.
466 [Unassigned].
467 Spanish language variations.
468 Standard Spanish usage.
469 Portuguese.
470 Italic languages; Latin.
471 Classical Latin writing & phonology.
472 Classical Latin etymology.
473 Classical Latin dictionaries.
474 [Unassigned].
475 Classical Latin grammar.
476 [Unassigned].
477 Old, postclassical & Vulgar Latin.
478 Classical Latin usage.
479 Other Italic languages.
480 Hellenic languages; classical Greek.
481 Classical Greek writing & phonology.
482 Classical Greek etymology.
483 Classical Greek dictionaries.
484 [Unassigned].
485 Classical Greek grammar.
486 [Unassigned].
487 Preclassical & postclassical Greek.
488 Classical Greek usage.
489 Other Hellenic languages.
490 Other languages.
491 East Indo-European & Celtic languages.
491.7 Russian.
492 Afro-Asiatic languages; Semitic languages.
493 Non-Semitic Afro-Asiatic languages.
494 Altaic, Uralic, Hyperborean & Dravidian.
495 Languages of East & Southeast Asia.
496 African languages.
497 North American native languages.
498 South American native languages.
499 Austronesian & other languages.


500 Natural sciences & mathematics.


501 Philosophy & theory.
502 Miscellany.
503 Dictionaries & encyclopedias.
504 [Unassigned].
505 Serial publications.
506 Organizations & management.
507 Education, research & related topics.
508 Natural history.
509 Historical, geographic & persons treatment.
510 Mathematics.
511 General principles of mathematics.
512 Algebra.
513 Arithmetic.
514 Topology.
515 Analysis.
516 Geometry.
517 [Unassigned].
518 Numerical analysis.
519 Probabilities & applied mathematics.
520 Astronomy & allied sciences.
521 Celestial mechanics.
522 Techniques, equipment & materials.
523 Specific celestial bodies & phenomena.

523.1 The universe, galaxies, and quasars.
523.2 Planetary systems (like our solar system).
523.3 Moon
523.4 Planets

523.41 Mercury.
523.42 Venus.
523.43 Mars.
523.44 Asteroids (Planetoids).
523.45 Jupiter.
523.46 Saturn.
523.47 Uranus.
523.48 Trans-Uranian Planets.

523.481 Neptune.
523.482 Pluto.

523.5 Meteors.
523.6 Comets.
523.7 Sun.
523.8 Stars.
523.9 Satellites and rings; eclipses, transits, occultations

523.98 Satellites and rings.

523.985 Satellites of Jupiter.
523.986 Moons of Saturn.

524 [Unassigned].
525 Earth (Astronomical geography).
526 Mathematical geography.
527 Celestial navigation.
528 Ephemerides.
529 Chronology.
530 Physics.
531 Classical mechanics; solid mechanics.
532 Fluid mechanics; liquid mechanics.
533 Gas mechanics.
534 Sound & related vibrations.
535 Light & infrared & ultraviolet phenomena.
536 Heat.
537 Electricity & electronics.
538 Magnetism.
539 Modern physics.

539.01 Philosophy and theory.

539.1 Structure of matter.
539.2 Radiation (Radiant energy).
539.6 Molecular physics.
539.7 Atomic and nuclear physics.

539.7092 Nuclear physicists.

539.72 Particle physics; ionizing radiation.
539.73 Particle acceleration.
539.74 Nuclear structure.
539.75 Nuclear activities and interactions.
539.76 High-energy physics.
539.77 Detecting and measuring particles and radioactivity.

539.721 Specific kinds of subatomic particles.
539.722 Ionizing radiation.
539.723 Nuclei and atoms considered as particles.
539.725 Particle characteristics.

539.7211 Leptons.
539.7212 Nucleons.
539.7213 Neutrons.
539.7214 Positrons.
539.7215 Neutrinos.
539.7216 Hadrons.
539.7217 Photons.

540 Chemistry & allied sciences.
541 Physical chemistry.
542 Techniques, equipment & materials.
543 Analytical chemistry.
544 [Unassigned].
545 [Unassigned].
546 Inorganic chemistry.
547 Organic chemistry.
548 Crystallography.
549 Mineralogy.
550 Earth sciences.
551 Geology, hydrology & meteorology.
552 Petrology.
553 Economic geology.
554 Earth sciences of Europe.
555 Earth sciences of Asia.
556 Earth sciences of Africa.
557 Earth sciences of North America.
558 Earth sciences of South America.
559 Earth sciences of other areas.
560 Paleontology; paleozoology.
561 Paleobotany; fossil microorganisms.
562 Fossil invertebrates.
563 Fossil marine & seashore invertebrates.
564 Fossil mollusks & molluscoids.
565 Fossil arthropods.
566 Fossil chordates.
567 Fossil cold-blooded vertebrates; fossil fishes.
568 Fossil birds.
569 Fossil mammals.
570 Life sciences; biology.
571 Physiology & related subjects.
572 Biochemistry.

572.8 Molecular biology.

573 Specific physiological systems in animals.
574 [Unassigned].
575 Specific parts of & systems in plants.
576 Genetics & evolution.
577 Ecology.
578 Natural history of organisms.
579 Microorganisms, fungi & algae.
580 Plants (Botany).
581 Specific topics in natural history.
582 Plants noted for characteristics & flowers.
583 Dicotyledons.
584 Monocotyledons.
585 Gymnosperms; conifers.
586 Seedless plants.
587 Vascular seedless plants.
588 Bryophytes.
589 [Unassigned].
590 Animals (Zoology).
591 Specific topics in natural history.
592 Invertebrates.
593 Marine & seashore invertebrates.
594 Mollusks & molluscoids.
595 Arthropods.

595.159 Arthropods–communication.

595.3 Crustacea.
595.4 Chelicerata.

595.42 Acari.
595.43 Opiliones.
595.44 Araneida.

595.440994 Spiders–Australia.
595.44165 Poisonous spiders.

595.45 Minor orders of Arachnida.
595.46 Scorpiones (Scorpions).
595.47 Pseudoscorpiones (Book scorpions).
595.48 Solpugida.
595.49 Xiphosura and Pycnogonida.

595.6 Myriapoda.
595.7 Insecta (Insects).

596 Chordates.
597 Cold-blooded vertebrates; fishes.
598 Birds.
599 Mammals.


600 Technology (Applied sciences).


601 Philosophy & theory.
602 Miscellany.
603 Dictionaries & encyclopedias.
604 Special topics.
605 Serial publications.
606 Organizations.
607 Education, research & related topics.
608 Inventions & patents.
609 Historical, geographic & persons treatment.
610 Medicine & health.
611 Human anatomy, cytology & histology.
612 Human physiology.
613 Personal health & safety.

613.2 Nutrition (Health).

614 Incidence & prevention of disease.
615 Pharmacology & therapeutics.
616 Diseases.
617 Surgery & related medical specialties.
618 Gynecology, obstetrics, pediatrics & geriatrics.
619 [Unassigned].
620 Engineering & allied operations.

620.1 Engineering mechanics and materials
620.2 Sound and related vibrations
620.3 Mechanical vibration
620.4 Engineering for specific kinds of geographic environments, fine particle and remote control technology, surface engineering
620.5 Nanotechnology
620.8 Human factors and safety engineering.

620.82 Ergonomics, Human factors engineering.
620.86 Safety engineering.

621 Applied physics.

621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting.

621.38 Electronics, communications engineering.

621.381 Basic Electronics.
621.395 CMOS.

622 Mining and related operations
623 Military & nautical engineering.
624 Civil engineering.

625 Engineering of railroads & roads.
626 [Unassigned].
627 Hydraulic engineering.
628 Sanitary & municipal engineering.
629 Other branches of engineering.

629.8 Automatic control engineering.

629.89 Computer control.

629.892 Robots.
629.893 Specific kinds of robots.
629.895 Computerized process control.

630 Agriculture & related technologies.
631 Techniques, equipment & materials.
632 Plant injuries, diseases & pests.
633 Field & plantation crops.
634 Orchards, fruits & forestry.
635 Garden crops (Horticulture).
636 Animal husbandry.

636.7 Dogs
636.8 Cats

637 Processing dairy & related products.
638 Insect culture.
639 Hunting, fishing & conservation.
640 Home & family management.
641 Food & drink.
642 Meals & table service.
643 Housing & household equipment.
644 Household utilities.
645 Household furnishings.
646 Sewing, clothing & personal living.

646.2 Sewing and related operations.
646.4 Clothing and accessories construction.
646.5 Construction of headgear.
646.7 Management of personal and family life.

647 Management of public households.
648 Housekeeping.
649 Child rearing & home care of persons.
650 Management & auxiliary services.
651 Office services.
652 Processes of written communication.
653 Shorthand.
654 [Unassigned].
655 [Unassigned].
656 [Unassigned].
657 Accounting.

657.42 Cost accounting.
657.48 Financial accounting.

658 General management (Business Manuals; Methods; Tables).

658.11 Time management

658.15 Financial management.

658.1511 Management accounting.

658.4 Executive management.

658.404 Project management.

658.47 Business security and intelligence.

658.5 Management of production.

658.8 Marketing.

659 Advertising & public relations.

659.2 Public relations.

660 Chemical engineering.
661 Industrial chemicals.
662 Explosives, fuels & related products.
663 Beverage technology.

663.3 Brewed and malted beverages
663.9 Nonalcoholic brewed beverages.

663.93 Coffee.

664 Food technology.
665 Industrial oils, fats, waxes & gases.
666 Ceramic & allied technologies.
667 Cleaning, color & coating technologies.
668 Technology of other organic products.
669 Metallurgy.
670 Manufacturing.
671 Metalworking & primary metal products.
672 Iron, steel & other iron alloys.
673 Nonferrous metals.
674 Lumber processing, wood products & cork.
675 Leather & fur processing.
676 Pulp & paper technology.
677 Textiles.
678 Elastomers & elastomer products.
679 Other products of specific materials.
680 Manufacture for specific uses.
681 Precision instruments & other devices.
682 Small forge work (Blacksmithing).
683 Hardware & household appliances.
684 Furnishings & home workshops.
685 Leather, fur goods & related products.
686 Printing & related activities.
687 Clothing & accessories.
688 Other final products & packaging.
689 [Unassigned].
690 Buildings.
691 Building materials.
692 Auxiliary construction practices.
693 Specific materials & purposes.
694 Wood construction & carpentry.
695 Roof covering.
696 Utilities.
697 Heating, ventilating & air-conditioning.
698 Detail finishing.
699 [Unassigned].


700 The arts.


701 Philosophy of fine & decorative arts.
702 Miscellany of fine & decorative arts.
703 Dictionaries of fine & decorative arts.
704 Special topics in fine & decorative arts.
705 Serial publications of fine & decorative arts.
706 Organizations & management.
707 Education, research & related topics.
708 Galleries, museums & private collections.
709 Historical, geographic & persons treatment.
710 Civic & landscape art.
711 Area planning.
712 Landscape architecture.
713 Landscape architecture of trafficways.
714 Water features.
715 Woody plants.
716 Herbaceous plants.
717 Structures in landscape architecture.
718 Landscape design of cemeteries.
719 Natural landscapes.
720 Architecture.
721 Architectural structure.
722 Architecture to ca. 300.
723 Architecture from ca. 300 to 1399.
724 Architecture from 1400.
725 Public structures.
726 Buildings for religious purposes.
727 Buildings for education & research.
728 Residential & related buildings.
729 Design & decoration.
730 Plastic arts; sculpture.
731 Processes, forms & subjects of sculpture.
732 Sculpture to ca. 500.
733 Greek, Etruscan & Roman sculpture.
734 Sculpture from ca. 500 to 1399.
735 Sculpture from 1400.
736 Carving & carvings.
737 Numismatics & sigillography.
738 Ceramic arts.
739 Art metalwork.
740 Drawing & decorative arts.
741 Drawing & drawings.

741.5 Comic books, graphic novels, fotonovelas, cartoons, caricatures, comic strips

741.56973 Doonesbury
741.59493 The Adventures of Tintin

742 Perspective.
743 Drawing & drawings by subject.
744 [Unassigned].
745 Decorative arts.
746 Textile arts.
747 Interior decoration.
748 Glass.
749 Furniture & accessories.
750 Painting & paintings.
751 Techniques, equipment, materials & forms.
752 Color.
753 Symbolism, allegory, mythology & legend.
754 Genre paintings.
755 Religion.
756 [Unassigned].
757 Human figures.
758 Other subjects.
759 Historical, geographic & persons treatment.
760 Graphic arts; printmaking & prints.
761 Relief processes (Block printing).
762 [Unassigned].
763 Lithographic processes.
764 Chromolithography & serigraphy.
765 Metal engraving.
766 Mezzotinting, aquatinting & related processes.
767 Etching & drypoint.
768 [Unassigned].
769 Prints.
770 Photography, photographs & computer art.
771 Techniques, equipment & materials.
772 Metallic salt processes.
773 Pigment processes of printing.
774 Holography.
775 Digital photography.
776 Computer art (Digital art).
777 [Unassigned].
778 Fields & kinds of photography.
779 Photographs.
780 Music.
781 General principles & musical forms.
782 Vocal music.
783 Music for single voices; the voice.
784 Instruments & instrumental ensembles.
785 Ensembles with one instrument per part.
786 Keyboard & other instruments.
787 Stringed instruments.
788 Wind instruments.
789 (Optional number).
790 Recreational & performing arts.
791 Public performances.

791.45 Television movies, TV talk shows, (TV movies), (TV shows), Television programs, (TV programs), Interviewing on television, Television serials, Soap operas, Emmy Awards.

792 Stage presentations.
793 Indoor games & amusements.

793.01Philosophy and theory; activities and programs for specific groups of people.
793.08 Groups of people.

793.2 Parties and entertainments
793.3 Social, folk, national dancing.
793.4 Games of action.
793.5 Forfeit and trick games.
793.7 Games not characterized by action.
793.8 Magic and related activities.
793.9 Other indoor diversions.

794 Indoor games of skill.

794.1 Chess.
794.2 Checkers (Draughts).
794.3 Darts.
794.4 Go.
794.6 Bowling.
794.7 Ball games.
794.8 Electronic games.

795 Games of chance.
796 Athletic & outdoor sports & games.
797 Aquatic & air sports.
798 Equestrian sports & animal racing.
799 Fishing, hunting & shooting.


800 Literature & rethoric.


801 Philosophy & theory.
802 Miscellany.
803 Dictionaries & encyclopedias.
804 [Unassigned].
805 Serial publications.
806 Organizations & management.
807 Education, research & related topics.
808 Rhetoric & collections of literature.
809 History, description & criticism.
810 American literature in English.
811 American poetry in English.
812 American drama in English.
813 American fiction in English.
814 American essays in English.
815 American speeches in English.
816 American letters in English.
817 American humor & satire in English.
818 American miscellaneous writings.
819 (Optional number).
820 English & Old English literatures.
821 English poetry.
822 English drama.
823 English fiction.
824 English essays.
825 English speeches.
826 English letters.
827 English humor & satire.
828 English miscellaneous writings.
829 Old English (Anglo-Saxon).
830 Literatures of Germanic languages.
831 German poetry.
832 German drama.
833 German fiction.
834 German essays.
835 German speeches.
836 German letters.
837 German humor & satire.
838 German miscellaneous writings.
839 Other Germanic literatures.
840 Literatures of Romance languages.
841 French poetry.
842 French drama.
843 French fiction.
844 French essays.
845 French speeches.
846 French letters.
847 French humor & satire.
848 French miscellaneous writings.
849 Occitan & Catalan literatures.
850 Italian, Romanian & related literatures.
851 Italian poetry.
852 Italian drama.
853 Italian fiction.
854 Italian essays.
855 Italian speeches.
856 Italian letters.
857 Italian humor & satire.
858 Italian miscellaneous writings.
859 Romanian & related literatures.
860 Spanish & Portuguese literatures.
861 Spanish poetry.
862 Spanish drama.
863 Spanish fiction.
864 Spanish essays.
865 Spanish speeches.
866 Spanish letters.
867 Spanish humor & satire.
868 Spanish miscellaneous writings.
869 Portuguese literature.
870 Italic literatures; Latin literature.
871 Latin poetry.
872 Latin dramatic poetry & drama.
873 Latin epic poetry & fiction.
874 Latin lyric poetry.
875 Latin speeches.
876 Latin letters.
877 Latin humor & satire.
878 Latin miscellaneous writings.
879 Literatures of other Italic languages.
880 Hellenic literatures; classical Greek.
881 Classical Greek poetry.
882 Classical Greek dramatic poetry & drama.
883 Classical Greek epic poetry & fiction.
884 Classical Greek lyric poetry.
885 Classical Greek speeches.
886 Classical Greek letters.
887 Classical Greek humor & satire.
888 Classical Greek miscellaneous writings.
889 Modern Greek literature.
890 Literatures of other languages.
891 East Indo-European & Celtic literatures.
892 Afro-Asiatic literatures; Semitic literatures.
893 Non-Semitic Afro-Asiatic literatures.
894 Altaic, Uralic, Hyperborean & Dravidian.
895 Literatures of East & Southeast Asia.
896 African literatures.
897 North American native literatures.
898 South American native literatures.
899 Austronesian & other literatures.


900 Geography & history.


901 Philosophy & theory.
902 Miscellany of history (historical chronology, dates,timelines).
903 Dictionaries & encyclopedias.
904 Collected accounts of events.
905 Serial publications.
906 Organizations & management.
907 Education, research & related topics.
908 Kinds of persons treatment.
909 World history.
910 Geography & travel.
911 Historical geography.
912 Atlases, maps, charts & plans.
913 Geography of & travel in ancient world.
914 Geography of & travel in Europe.
915 Geography of & travel in Asia.
916 Geography of & travel in Africa.
917 Geography of & travel in North America.
918 Geography of & travel in South America.
919 Geography of & travel in other areas.
920 Biography, genealogy & insignia.
921 (Optional number).
922 (Optional number).
923 (Optional number).
924 (Optional number).
925 (Optional number).
926 (Optional number).
927 (Optional number).
928 (Optional number).
929 Genealogy, names & insignia.
930 History of ancient world to ca. 499.
931 China to 420.
932 Egypt to 640.
933 Palestine to 70.
934 India to 647.
935 Mesopotamia & Iranian Plateau to 637.
936 Europe north & west of Italy to ca. 499.
937 Italy & adjacent territories to 476.
938 Greece to 323.
939 Other parts of ancient world to ca. 640.
940 History of Europe.
941 British Isles.
942 England & Wales.
943 Central Europe; Germany.
944 France & Monaco.
945 Italian Peninsula & adjacent islands.
946 Iberian Peninsula & adjacent islands.
947 Eastern Europe; Russia.
948 Scandinavia.
949 Other parts of Europe.
950 History of Asia; Far East.
951 China & adjacent areas.
952 Japan.
953 Arabian Peninsula & adjacent areas.
954 South Asia; India.
955 Iran.
956 Middle East (Near East).
957 Siberia (Asiatic Russia).
958 Central Asia.
959 Southeast Asia.
960 History of Africa.
961 Tunisia & Libya.
962 Egypt & Sudan.
963 Ethiopia & Eritrea.
964 Northwest African coast & offshore islands.
965 Algeria.
966 West Africa & offshore islands.
967 Central Africa & offshore islands.
968 Southern Africa; Republic of South Africa.
969 South Indian Ocean islands.
970 History of North America.
971 Canada.
972 Middle America; Mexico.
973 United States.
974 Northeastern United States.
975 Southeastern United States.
976 South central United States.
977 North central United States.
978 Western United States.
979 Great Basin & Pacific Slope region.
980 History of South America.
981 Brazil.
982 Argentina.
983 Chile.
984 Bolivia.
985 Peru.
986 Colombia & Ecuador.
987 Venezuela.
988 Guiana.
989 Paraguay & Uruguay.
990 History of other areas.
991 [Unassigned].
992 [Unassigned].
993 New Zealand.
994 Australia.
995 Melanesia; New Guinea.
996 Other parts of Pacific; Polynesia.
997 Atlantic Ocean islands.
998 Arctic islands & Antarctica.
999 Extraterrestrial worlds.