For applied science and technology, see Class T
| Call Number | Subject |
|---|---|
| Q 1-4 | Periodicals. By language of publication |
| - Q 1.A3-Z | - English |
| - Q 2 | - French |
| - Q 3 | - German |
| Q 10-99 | Societies Including works about societies, serial publications of societies |
| - Q 10 | - International |
| - Q 11-33 | - America |
| - - Q 11 | - - United States |
| - Q 41-69.4 | - Europe |
| - - Q 41 | - - Great Britain |
| - - Q 46 | - - France |
| - Q 72-80 | - Asia |
| - - Q 73 | - - India |
| Q 101 | Congresses |
| Q 105 | Museums. Exhibitions |
| Q 111-113 | Collected works |
| Q 115-116 | Scientific voyages & expeditions (General) For expeditions of special fields, see the field, e.g., G145+ Geographical exploration; QH11 Naturalists' expeditions; TL799 Flights to special planets, etc. |
| Q 121 | Encyclopedias |
| Q 123 | Dictionaries |
| Q 124 | Translating services. Translating |
| Q 124.6-127.2 | History |
| - Q 124.6 | - Periodicals, societies, congresses, serial publications |
| - Q 124.95 | - Ancient |
| - Q 124.97 | - Medieval |
| - Q 125-125.2 | - Modern |
| - Q 126.9 | - Study & teaching. Research |
| - Q 127.A-Z | - By region or country, A-Z |
| - - Q 127.C2 | - - Canada |
| - - Q 127.C5 | - - China |
| - - Q 127.E8 | - - Europe |
| - - Q 127.F8 | - - France |
| - - Q 127.G3 | - - Germany |
| - - Q 127.G4 | - - Great Britain |
| - - Q 127.G7 | - - Greece |
| - - Q 127.I4 | - - India |
| - - Q 127.I8 | - - Italy |
| - - Q 127.J3 | - - Japan |
| - - Q 127.R8-R9 | - - Russia.Soviet Union |
| - - Q 127.U5-U6 | - - United States |
| - Q 127.2 | - Developing countries |
| Q 130 | Women in science. Women scientists For biography see Q141+ See also HQ1397 Women in science & the arts |
| Q 141-143 | Biography |
| - Q 143.A-Z | - Individual, A-Z |
| Q 145 | Directories |
| Q 147-149 | Science as a profession. Vocational guidance |
| - Q 149.A-Z | - By region or country, A-Z |
| - - Q 149.U5 | - - United States |
| Q 151-157 | Early works through 1800 |
| - Q 151 | - Ancient |
| - Q 155 | - 1500-1700 |
| - Q 157 | - 1701-1800 |
| Q 158-158.5 | General works & treatises |
| - Q 158 | - 1801-1969 |
| - Q 158.5 | - 1970- |
| Q 160-161.2 | Textbooks |
| - Q 160-160.2 | - Advanced |
| - - Q 160 | - - 1801-1969 |
| - - Q 160.2 | - - 1970- |
| - Q 161-161.2 | - Elementary |
| - - Q 161 | - - 1801-1969 |
| - - Q 161.2 | - - 1970- |
| Q 162 | Popular works |
| Q 163 | Juvenile works |
| Q 164 | Recreations, home experiments, etc. Including experiments for children See also Q182.3 Science projects |
| Q 167 | Anecdotes, facetiae, satire, etc. |
| Q 171 | Addresses, essays, lectures |
| Q 172 | Special aspects of the subject as a whole |
| Call Number | Subject |
|---|---|
| Q 172.5.C45 | Chaotic behavior in systems Including pattern formation See also QC174.17.C45 Quantum theory |
| Q 172.5.C74 | Creative ability in science |
| Q 172.5.E77 | Errors |
| Q 172.5.F7 | Fraud See Q175.37 |
| Q 172.5.I5 | International cooperation |
| Q 172.5.P77 | Pseudoscience |
| Q 172.5.S47 | Serendipity in science |
| Q 172.5.S95 | Symmetry |
| Q 172.5.S96 | Synchronization |
| Q 173 | Miscellany & curiosa |
| Call Number | Subject |
|---|---|
| Q 174-175.32 | Philosophy. Methodology |
| - Q 174 | - Periodicals, societies, congresses, serial publications |
| - Q 174.7 | - Dictionaries & encyclopedias |
| - Q 174.8 | - History |
| - Q 175 | - General works, treatises & advanced textbooks |
| - Q 175.3 | - Addresses, essays, lectures |
| - Q 175.32.A-Z | - Special topics, A-Z |
| - - Q 175.32.C38 | - - Causation |
| - - Q 175.32.C65 | - - Complexity (Philosophy) |
| - - Q 175.32.E44 | - - Emergence (Philosophy) |
| - - Q 175.32.K45 | - - Knowledge, Theory of |
| - - Logic See Q175.32.R45 |
|
| - - Q 175.32.R42 | - - Realism |
| - - Q 175.32.R45 | - - Reasoning. Logic |
| - - Q 175.32.V65 | - - Vitalism |
| Q 175.35-175.37 | Scientific ethics See also Q180.55.M67 Moral & ethical aspects of research |
| - Q 175.35 | - General works, treatises & textbooks |
| - Q 175.37 | - Fraud |
| Q 175.4-175.55 | Social aspects Works that discuss the impact of science on modern society & the sociology of science For works on the role of science in the history & development of civilization see CB478 |
| - Q 175.4 | - Periodicals, societies, congresses, serial publications |
| - Q 175.46 | - History |
| - Q 175.5 | - General works, treatises & textbooks |
| - Q 175.52.A-Z | - By region or country, A-Z |
| - - Q 175.52.U5 | - - United States |
| - Q 175.55 | - Addresses, essays, lectures |
| Q 177 | Classification of the sciences |
| Q 179 | Nomenclature, terminology, notation, abbreviations |
| Call Number | Subject |
|---|---|
| Q 179.9 | Periodicals, societies, congresses, serial publications |
| Q 179.94-179.97 | Communication of information |
| Q 180.A1 | General works, treatises & advanced textbooks |
| Q 180.A3-Z | History |
| - Q 180.A3 | - General works |
| - Q 180.A5-Z | - By region or country, A-Z |
| - - Q 180.U5 | - - United States |
| Q 180.55.A-Z | Special topics, A-Z |
| - Q 180.55.D57 | - Discoveries |
| - Q 180.55.E25 | - Economic aspects Including econometric models For works on the impact of research on the economy see HC79.R4 |
| - Q 180.55.E4 | - Electronic data processing |
| - Q 180.55.E9 | - Evaluation |
| - Q 180.55.I48 | - Interdisciplinary research |
| - International cooperation See Q172.5.I5 |
|
| - Q 180.55.M3 | - Management |
| - Q 180.55.M4 | - Methodology |
| - Q 180.55.M67 | - Moral & ethical aspects |
| - Q 180.55.P7 | - Proposal writing |
| - Q 180.55.S62 | - Social aspects |
| - Q 180.55.S7 | - Statistical methods |
| Q 180.56-180.6 | Laboratories |
| Call Number | Subject |
|---|---|
| Q 181-183.4 | Study & teaching |
| - Q 181.A1 | - Periodicals, societies, congresses, serial publications |
| - Q 181.A2-Z | - General works, treatises & textbooks |
| - Q 181.3 | - Addresses, essays, lectures |
| - Q 182 | - Problems, exercises, examinations |
| - Q 182.3 | - Experiments Including science projects See also Q164 Recreations, home experiments, etc. |
| - Q 183 | - Laboratories |
| - Q 183.3-183.4 | - By region or country |
| - - Q 183.3 | - - United States |
| - - Q 183.4.A-Z | - - Other regions or countries, A-Z |
| Q 183.9 | Data processing |
| Q 184-185.7 | Instruments & apparatus (General) |
| Q 190-197 | Audiovisual aids in science teaching |
| Q 199 | Handbooks, tables, formulas, etc. |
| Q 222 | Scientific illustration See also T11.8 Technical illustration |
| Q 223-227 | Communication in science |
| - Q 223 | - General works |
| - Q 223.2-224.3 | - Information services |
| - Q 225-225.2 | - Science news. Science & the public |
| - Q 225.5 | - Scientific literature |
| - Q 226 | - Scientific language See also T11+ Scientific writing |
| Call Number | Subject |
|---|---|
| Q 295 | System theory See also T57.6+ Operations research. Systems analysis See also TA168 Systems engineering |
See also:
| Call Number | Subject |
|---|---|
| Q 300 | Periodicals, societies, congresses, serial publications |
| Q 305 | History |
| Q 310 | General works, treatises & textbooks |
| Q 317-321 | Bionics |
| Q 325-342 | Self-organizing systems. Conscious automata |
| - Q 325 | - General works |
| - Q 325.5-325.78 | - Machine learning |
| - - Q 325.5 | - - General works |
| - - Q 325.6 | - - Reinforcement learning |
| - - Q 325.7 | - - Computational learning theory |
| - - Q 325.75 | - - Supervised learning |
| - Q 327 | - Perception theory See also TK7882.P3 Pattern recognition systems |
| - Q 334-342 | - Artificial intelligence |
| - - Q 334 | - - Periodicals, societies, congresses, serial publications |
| - - Q 334.2 | - - Dictionaries. Encyclopedias |
| - - Q 334.5 | - - Collected works (nonserial) |
| - - Q 335 | - - General works, treatises & textbooks |
| - - Q 335.5 | - - Addresses, essays, lectures |
| - - Q 335.7 | - - Study & teaching. Research |
| - - Q 336 | - - Data processing |
| - - Q 337-337.3 | - - Distributed artificial intelligence |
| - - - Q 337.3 | - - - Swarm intelligence |
| - - Q 337.5 | - - Pattern recognition systems |
| - - Q 338.8 | - - Case-based reasoning |
| - - Q 338.85 | - - Commonsense reasoning |
| - - Q 339 | - - Default reasoning |
| - - Q 339.19 | - - Model-based reasoning |
| - - Q 339.2 | - - Nonmonotonic reasoning |
| - - Q 339.25 | - - Qualitative reasoning |
| - - Q 340 | - - Constraints |
| - - Q 341 | - - Turing test |
| - - Q 342 | - - Computational intelligence |
| Q 350-390 | Information theory See also: P87+ Communication; QA268 Coding theory (Mathematics); TK5101+ Telecommunication (General); ZA3038+ Information resources |
| - Q 350 | - Periodicals, societies, congresses, serial publications |
| - Q 360 | - General works, treatises & textbooks |
| - Q 370 | - Measurements. Tables, calculations, etc. |
| - Q 375 | - Uncertainty theory |
| - Q 380 | - Noise |
| - Q 387-387.5 | - Knowledge representation |
| - - Q 387.2 | - - Conceptual structures |
| - - Q 387.3 | - - Description logics |
| - - Q 387.5 | - - Semantic networks |