| Q |
1-385 |
General Science |
| |
1-295 |
General |
| |
1-4 |
Periodicals |
| |
10-101 |
Societies |
| |
11-33 |
America |
| |
41-69 |
Europe |
| |
72-83 |
Asia |
| |
85-91 |
Africa |
| |
93 |
Australia |
| |
94 |
New Zealand |
| |
99 |
Pacific Islands |
| |
105 |
Museums, Expositions |
| |
111 |
Series of Monographs, Serial Collections |
| |
113 |
Collected Works of Individual Authors |
| |
115 |
Scientific Voyages and Expeditions |
| |
121 |
Encyclopedias |
| |
123 |
Dictionaries |
| |
124.6-127.2 |
History |
| |
141-143 |
Biography |
| |
151-157 |
Early Works Through 1800, Including Textbooks |
| |
158 |
General Works and Treatises, 1801- |
| |
160-161 |
Textbooks, 1801- |
| |
162 |
Popular Works |
| |
163 |
Juvenile Works |
| |
164 |
Recreations, Home Experiments, etc. |
| |
167 |
Anecdotes, Facetiae, Satire, etc. |
| |
171 |
Addresses, Essays, Lectures |
| |
172 |
Special Topics |
| |
173 |
Miscellany and Curiosa |
| |
174-175 |
Philosophy, Methodology |
| |
179.9-180 |
Research |
| |
181-183 |
Study and Teaching |
| |
184-185 |
Instruments and Apparatus (General) |
| |
190-197 |
Audiovisual Aids in Science Teaching |
| |
199 |
Handbooks, Tables, Formulas, etc. |
| |
223-227 |
Communication in Science |
| |
300-390 |
Cybernetics |
| |
350-390 |
Information Theory |
| QA |
1-939 |
Mathematics |
| |
1-43 |
General |
| |
9-10.3 |
Mathematical Logic |
| |
11-14 |
Study and Teaching, Research |
| |
16-20 |
Special Teaching Methods and Aids |
| |
21-35 |
History |
| |
36-39 |
General Works |
| |
40 |
Handbooks, Manuals, etc. |
| |
47-59 |
Tables |
| |
71-90 |
Instruments and Machines |
| |
73 |
Slide Rules |
| |
75-76.95 |
Calculating Machines |
| |
75.5-76.95 |
Electronic Computers, Computer Science |
| |
76.75-76.765 |
Computer Software |
| |
99 |
Miscellany and Curiosa |
| |
101-145 |
Elementary Mathematics, Arithmetic |
| |
150-272.5 |
Algebra |
| |
184-205 |
Linear and Multi-linear Algebra, Matrices |
| |
211-218 |
Theory of Equations |
| |
273-274.76 |
Probabilities |
| |
276-280 |
Mathematical Analysis |
| |
297-299.4 |
Numerical Analysis |
| |
299.6-433 |
Analysis |
| |
303-316 |
Calculus |
| |
319-329 |
Functional Analysis |
| |
331-355 |
Theory of Functions |
| |
370-387 |
Differential Equations |
| |
440-699 |
Geometry |
| |
451-469 |
Elementary Geometry |
| |
501-521 |
Descriptive Geometry |
| |
531-538 |
Trigonometry |
| |
551-563 |
Analytic Geometry |
| |
564-581 |
Algebraic Geometry |
| |
601-608 |
Transformations, Correspondences, and General Methods for Algebraic
Configurations |
| |
611-614 |
Topology |
| |
615-640 |
Infinitesimal Geometry |
| |
641-660 |
Projective Differential Geometry |
| |
801-939 |
Analytic Mechanics |
| QB |
1-991 |
Astronomy |
| |
1-139 |
General |
| |
15-34 |
History |
| |
35-36 |
Biography |
| |
54 |
Extraterrestrial Life |
| |
61-62 |
Study and Teaching, Research |
| |
63 |
Stargazers' Guides |
| |
64 |
Observers' Handbooks |
| |
81-84 |
Observatories |
| |
85-115 |
Astronomical Instruments |
| |
140-237 |
Practical and Spherical Astronomy |
| |
201 |
Geodetic Astronomy |
| |
209-224 |
Time |
| |
224.5-237 |
Longitude and Latitude |
| |
275-343 |
Geodesy |
| |
301-328 |
Geodetic Surveying |
| |
330-339 |
Gravity Determinations |
| |
349-421 |
Theoretical Astronomy and Celestial Mechanics |
| |
414-419 |
Theory of Tides |
| |
455-456 |
Astrogeology |
| |
460-466 |
Astrophysics (General) |
| |
468-480 |
Non-Optical Methods of Astronomy |
| |
495-903 |
Descriptive Astronomy |
| |
500.5-785 |
Solar System |
| |
520-544 |
Sun |
| |
541-544 |
Solar Eclipses |
| |
611 |
Mercury |
| |
621 |
Venus |
| |
630-638 |
Earth as Planet |
| |
641 |
Mars |
| |
651 |
Asteroids |
| |
661 |
Jupiter |
| |
671 |
Saturn |
| |
681 |
Uranus |
| |
691 |
Neptune |
| |
701 |
Pluto |
| |
717-732 |
Comets |
| |
740-753 |
Meteors |
| |
754.8-792 |
Meteorites |
| |
799-843 |
Stars |
| |
851-855 |
Clusters and Nebulae |
| |
856-903 |
Galaxies |
| |
980-991 |
Cosmogony, Cosmology |
| QC |
1-999 |
Physics |
| |
1-75 |
General |
| |
81-114 |
Weights and Measures |
| |
120-168.85 |
Descriptive and Experimental Mechanics |
| |
170-197 |
Atomic Physics, Constitution and Properties of Matter (including
molecular physics, relativity, quantum theory, and solid state physics) |
| |
221-246 |
Acoustics, Sound |
| |
251-338.5 |
Heat |
| |
310.15-319 |
Thermodynamics |
| |
350-467 |
Optics, Light |
| |
450-467 |
Spectroscopy |
| |
474-496.9 |
General Radiation Physics |
| |
501-766 |
Electricity and Magnetism |
| |
669-675.8 |
Electromagnetic Theory |
| |
676-678.6 |
Radio Waves (Theory) |
| |
701-715.4 |
Electric Discharge |
| |
717.6-718.8 |
Plasma Physics, Ionized Gasses |
| |
750-766 |
Magnetism |
| |
770-798 |
Nuclear and Particle Physics, Atomic Energy, Radioactivity |
| |
793-793.5 |
Elementary Particle Physics |
| |
794.95-798 |
Radioactivity and Radioactive Substances |
| |
801-809 |
Geophysics |
| |
811-849 |
Geomagnetism |
| |
825-826 |
Magnetic Surveys |
| |
830-845 |
Magnetic Observations |
| |
851-999 |
Meteorology, Climatology (including the earth's atmosphere) |
| |
871-874.8 |
Technique, Instructions for Observers |
| |
875.5-876.7 |
Meteorological Instruments |
| |
878.5-879.562 |
Aeronomy |
| |
879.57 |
Handbooks, Tables, Formulas, etc. |
| |
879.59 |
Observations, Data Summaries |
| |
879.6-879.8 |
Atmospheric Chemistry |
| |
880 |
Dynamic Meteorology |
| |
881-881.2 |
Atmospheric Shells |
| |
882 |
Atmospheric Pollutants |
| |
883-883.2 |
Cosmic Relations |
| |
883.4-883.56 |
Mesometeorology |
| |
883.7-883.86 |
Micrometeorology |
| |
884-884.2 |
Paleoclimatology |
| |
885-896 |
Atmospheric Pressure |
| |
901-913.2 |
Temperature and Radiation |
| |
915-929 |
Aqueous Vapor |
| |
920.7-921.43 |
Clouds |
| |
921.48-921.6 |
Cloud Physics |
| |
924-926.2 |
Rain and Rainfall |
| |
930.5-959 |
Wind |
| |
940.6-959 |
Storms, Cyclones |
| |
960.5-969 |
Electrical Phenomena in the Atmosphere |
| |
970-972.5 |
Aurora |
| |
972.6-973.8 |
Radio Meteorology, Microwave Meteorology |
| |
974.5-976 |
Meteorological Optics |
| |
980-999 |
Climatology and Weather |
| |
982-993.7 |
Geographic Divisions |
| |
993.83-994.9 |
Ocean Areas, Maritime Meteorology |
| |
994.95-999 |
Weather Forecasting |
| QD |
1-999 |
Chemistry |
| |
1-65 |
General (including alchemy) |
| |
1 |
Periodicals |
| |
8-9 |
Communication of Chemical Information |
| |
11-18 |
History |
| |
21-22 |
Biographies of Chemists |
| |
23.3-26.5 |
Alchemy |
| |
40-49 |
Study and Teaching, Research |
| |
51-63 |
Laboratories |
| |
65 |
Handbooks, Tables, Formulas, etc. |
| |
71-142 |
Analytical Chemistry |
| |
81-117 |
Quantitative Analysis |
| |
130-139 |
Technical Analysis |
| |
146-197 |
Inorganic Chemistry |
| |
161-169 |
Nonmetals |
| |
171-172 |
Metals |
| |
181 |
Special Elements, By Chemical Symbol, A-Z |
| |
241-441 |
Organic Chemistry |
| |
258-281 |
Operations in Organic Chemistry |
| |
300-315 |
Aliphatic Compounds |
| |
320-327 |
Carbohydrates |
| |
330-341 |
Aromatic Compounds |
| |
375-377 |
Antibiotics |
| |
380-388 |
Polymers, Macromolecules |
| |
390-395 |
Condensed Benzene Rings |
| |
399-406 |
Heterocyclic Chemistry and Compounds |
| |
410-412.5 |
Organ metallic Chemistry and Compounds |
| |
415-436 |
Biochemistry |
| |
416 |
Trepans, Camphor, etc. Essential Oils |
| |
419 |
Gums and Resins |
| |
421 |
Alkaloids |
| |
426 |
Steroids |
| |
431 |
Proteins, Peptides, Amino Acids, etc. |
| |
433-436 |
Nucleic Acids |
| |
450-801 |
Physical and Theoretical Chemistry |
| |
462 |
Quantum Chemistry |
| |
463-464 |
Atomic and Molecular Weights |
| |
501-505.5 |
Conditions and Laws of Chemical Reactions |
| |
506 |
Surface Chemistry |
| |
510-536 |
Thermo Chemistry |
| |
540-549 |
Theory of Solution |
| |
551-562 |
Electrochemistry, Electrolysis |
| |
601-607 |
Radiochemistry |
| |
625-655 |
Radiation Chemistry |
| |
701-731 |
Photochemistry |
| |
901-999 |
Crystallography |
| |
911-922 |
Geometrical and Mathematical Crystallography |
| |
931-947 |
Physical Properties of Crystals |
| QE |
1-996.5 |
Geology |
| |
1-350.62 |
General |
| |
40-48 |
Study and Teaching |
| |
65-350.52 |
Geographical Divisions |
| |
70.5-258 |
America |
| |
72-182 |
United States |
| |
185-199 |
Canada |
| |
200-217 |
Latin America |
| |
220-229 |
West Indies, Caribbean Area |
| |
230-251 |
South America |
| |
260-287.8 |
Europe |
| |
289-319 |
Asia |
| |
320-339 |
Africa |
| |
340-349 |
Australia and Pacific Region |
| |
350 |
Antarctic Regions |
| |
350.2-350.22 |
Atlantic Ocean |
| |
350.4-350.42 |
Pacific Ocean |
| |
350.5-350.52 |
Indian Ocean |
| |
351-399.2 |
Mineralogy |
| |
367-369 |
Determinative Mineralogy |
| |
372-387 |
Descriptive Mineralogy |
| |
389-391 |
Special Groups of Minerals |
| |
392-394 |
Precious Stones |
| |
420-499 |
Petrology |
| |
443-456.5 |
Geographic Divisions |
| |
461-462 |
Igneous Rocks, Volcanic Ash, Tuff, etc. |
| |
471 |
Sedimentary Rocks, Sedimentology |
| |
475 |
Metamorphic Rocks, Metamorphism |
| |
500-639.5 |
Dynamic and Structural Geology |
| |
514-516 |
Geochemistry |
| |
517 |
Dynamic Geology |
| |
521-545 |
Volcanoes and Earthquakes |
| |
521.5-527 |
Volcanoes |
| |
531-545 |
Earthquakes, Seismology |
| |
565-566 |
Coral Islands and Reefs, Atolls |
| |
571-597 |
Sedimentation |
| |
598-600 |
Earth Movements, Mass Movements |
| |
601-613.5 |
Structural Geology |
| |
640-699 |
Stratigraphic Geology |
| |
654-674 |
Paleozoic |
| |
675-688 |
Mesozoic |
| |
690-699 |
Cenozoic |
| |
701-760 |
Paleontology |
| |
724-741.3 |
Stratigraphic Divisions |
| |
743-760 |
Geographical Divisions |
| |
760.8-899 |
Paleozoology |
| |
767 |
Plankton |
| |
770-832 |
Invertebrates |
| |
771-797 |
Protozoa |
| |
798-799 |
Bryozoa, Polyzoa |
| |
801-814 |
Mollusca |
| |
815-832 |
Arthropod |
| |
840.5-882 |
Chordata: Vertebrates |
| |
851-853 |
Fishes |
| |
861-862 |
Reptiles |
| |
867-868 |
Amphibians, Batrachians |
| |
871-872 |
Birds |
| |
881-882 |
Mammals |
| |
901-996.5 |
Paleobotany |
| |
914-932 |
Stratigraphic Divisions |
| |
934-950 |
Geographic Divisions |
| |
955-983 |
Systematic Divisions |
| QH |
1-705 |
Natural History |
| |
1-278.5 |
General Natural History |
| |
51-58 |
Study and Teaching, Research, Nature Study |
| |
75-77 |
Nature Conservation, Landscape Protection |
| |
84-198 |
Geographic Divisions |
| |
84-100 |
Physiographic Divisions |
| |
101-198 |
Topographical Divisions |
| |
201-278.5 |
Microscopy |
| |
231-278.5 |
Preparation and Mounting of Objects |
| |
301-705 |
General Biology |
| |
324 |
Methods of Research, Technique |
| |
359-425 |
Evolution |
| |
426-470 |
Genetics |
| |
443-450 |
Recombination Mechanism |
| |
460-469 |
Mutations |
| |
471-489 |
Reproduction |
| |
501-531 |
Life |
| |
540-549.5 |
General and Animal Ecology |
| |
573-671 |
Cytology |
| |
650-671 |
Effect of Physical and Chemical Agents on Cells |
| |
705-705.5 |
Economic Biology |
| QK |
1-989 |
Botany |
| |
1-474.5 |
General |
| |
91-97 |
Classification |
| |
101-474 |
Geographical Distribution, Phytogeography |
| |
474-495 |
Spermatophyte, Phanerogams |
| |
474-493 |
Trees and Shrubs |
| |
494-494.5 |
Gymnosperms |
| |
495 |
Angiosperms |
| |
504-638 |
Cryptogams |
| |
509-519.5 |
Local |
| |
520-532 |
Pteridophyta (Ferns, etc.) |
| |
532.4-563.7 |
Bryophyte, Bryology |
| |
564-580.5 |
Algae, Algology |
| |
580.7-597.5 |
Lichens |
| |
600-638 |
Fungi |
| |
640-707 |
Plant Anatomy |
| |
710-899 |
Plant Physiology |
| |
746-791 |
Chemical Agents Affecting Plants |
| |
861-899 |
Phytochemistry |
| |
900-989 |
Plant Ecology |
| |
930-938 |
Physiographic Regions |
| |
980-989 |
Evolution of Plants (General) |
| QL |
1-991 |
Zoology |
| |
1-355 |
General |
| |
61-67 |
Collecting and Preserving |
| |
101-345 |
Geographical Distribution |
| |
360-599.82 |
Invertebrates |
| |
366-369 |
Protozoa |
| |
371-374 |
Porifera (Sponges) |
| |
375-379 |
Coelenterate (Cnidarians) |
| |
386-394 |
Worms and Other Vermiform Invertebrates |
| |
401-432 |
Mollusca |
| |
434-599 |
Arthropod |
| |
605-739.8 |
Chordates, Vertebrates |
| |
614-639.8 |
Fishes |
| |
640-669.3 |
Reptiles and Amphibians |
| |
671-699 |
Birds |
| |
700-739.8 |
Mammals |
| |
750-795 |
Animal Behavior and Psychology |
| |
791-795 |
Stories and Anecdotes |
| |
799-799.5 |
Morphology |
| |
801-950.9 |
Comparative Anatomy |
| |
821-827 |
Skeleton, Osteology |
| |
835-841 |
Vascular System |
| |
845-855 |
Respiratory Organs |
| |
856-867 |
Digestive Organs |
| |
872-875 |
Excretory System |
| |
876-881 |
Reproductive System |
| |
921-939 |
Nervous System |
| |
941-943 |
Integument, Skin |
| |
945-949 |
Sense Organs |
| |
951-991 |
Embryology |
| QM |
1-695 |
Human Anatomy |
| |
1-511 |
General |
| |
33.4-39 |
Dissection |
| |
101-117 |
The Skeleton, Osteology |
| |
131-142 |
The Articulations, Joints |
| |
151-170 |
Muscles |
| |
178-197 |
Vascular System |
| |
251-265 |
Organs of Respiration and Voice |
| |
301-367 |
Organs of Digestion |
| |
368-371 |
Glands |
| |
401-421 |
Urinary and Reproductive Organs |
| |
451-471 |
Nervous System |
| |
481-495 |
Integument |
| |
501-511 |
Sense Organs |
| |
531-549 |
Regional Anatomy |
| |
550-577.8 |
Human and Comparative Histology |
| |
601-695 |
Human Embryology |
| QP |
1-981 |
Physiology |
| |
1-345 |
General (including influence of the environment) |
| |
34-38 |
Human Physiology - General Works |
| |
39-47 |
Study and Teaching, Research |
| |
81-87 |
Phenomena of Animal Life (General) |
| |
88-90 |
Physiology of the Tissues (General) |
| |
91-99 |
Blood |
| |
101-110 |
Cardiovascular System, Circulation |
| |
111-124 |
Heart |
| |
141-185 |
Nutrition |
| |
186-188 |
Glands |
| |
190-246 |
Secretions |
| |
248-250 |
Urinary Organs |
| |
251-285 |
Reproduction, Physiology of Sex |
| |
301-321 |
Musculoskeletal System, Movements |
| |
351-495 |
Neurophysiology, Neuropsychology |
| |
361-430 |
Nervous System |
| |
431-495 |
Senses, Sensation, Sense Organs |
| |
501-801 |
Animal Biochemistry |
| |
519.7-519.9 |
Technique |
| |
525-801 |
Special Substances |
| |
531-535 |
Inorganic Substances |
| |
550-801 |
Organic Substances |
| |
551-619 |
Proteins, Amino Acids, etc. |
| |
620-625 |
Nucleic Acids |
| |
631-632 |
Toxins and Antitoxins |
| |
670-671 |
Pigments |
| |
701-702 |
Carbohydrates |
| |
751-752 |
Lipids |
| |
771-772 |
Vitamins |
| |
801 |
Miscellaneous Organic Substances, A-Z |
| |
901-981 |
Experimental Pharmacology |
| |
911-981 |
Individual Chemical Substances |
| |
915 |
Aliphatic Compounds Not Containing Nitrogen |
| |
917 |
Aromatic Compounds Not Containing Nitrogen |
| |
921 |
Alkaloids |
| |
923 |
Sugars |
| |
925 |
Glycosides |
| |
931 |
Resins |
| |
935 |
Proteins |
| |
941 |
Toxins, Venoms, Poisons |
| |
951 |
Fluids and Substances Obtained from the Animal Body |
| |
971-981 |
Other Organic Substances |
| QR |
1-502 |
Microbiology |
| |
1-74.5 |
General |
| |
75-99.5 |
Bacteria |
| |
99.6-99.8 |
Cyanobacteria |
| |
100-130 |
Microbial Ecology |
| |
171 |
Microorganisms in the Animal Body |
| |
180-189.5 |
Immunology |
| |
185.8 |
Immune Structures |
| |
186 |
Immune Response |
| |
186.5-186.6 |
Antigens |
| |
186.7-186.85 |
Antibodies, Immunoglobulin |
| |
187-187.3 |
Antigen-Antibody Reactions |
| |
189-189.5 |
Vaccines |
| |
201 |
Pathogenic Micro-Organisms, By Disease, A-Z |
| |
301-327 |
Micro-Organisms of Animals |
| |
355-502 |
Virology |
Top