Library of Congress Classification/Class Q
Subclass QA
Subclass QB
Subclass QC
Subclass QD
Subclass QE
Subclass QH
Subclass QK
Subclass QL
Subclass QM
Subclass QP
Subclass QR
CLASS Q - SCIENCE
(Click each subclass for details)
| Subclass Q | Science (General) |
|---|---|
| Subclass QA | Mathematics |
| Subclass QB | Astronomy |
| Subclass QC | Physics |
| Subclass QD | Chemistry |
| Subclass QE | Geology |
| Subclass QH | Natural history - Biology |
| Subclass QK | Botany |
| Subclass QL | Zoology |
| Subclass QM | Human anatomy |
| Subclass QP | Physiology |
| Subclass QR | Microbiology |
Subclass Q
| Q1-390 | Science (General) | ||
| Q1-295 | General | ||
| Q300-390 | Cybernetics | ||
| Q350-390 | Information theory | ||
| QA1-939 | Mathematics | |||
| QA1-43 | General | |||
| QA47-59 | Tables | |||
| QA71-90 | Instruments and machines | |||
| QA75-76.95 | Calculating machines | |||
| QA75.5-76.95 | Electronic computers. Computer science | |||
| QA76.75-76.765 | Computer software | |||
| QA101-(145) | Elementary mathematics. Arithmetic | |||
| QA150-272.5 | Algebra | |||
| QA273-280 | Probabilities. Mathematical statistics | |||
| QA299.6-433 | Analysis | |||
| QA440-699 | Geometry. Trigonometry. Topology | |||
| QA801-939 | Analytic mechanics | |||
| QB1-991 | Astronomy | ||
| QB1-139 | General | ||
| QB140-237 | Practical and spherical astronomy | ||
| QB275-343 | Geodesy | ||
| QB349-421 | Theoretical astronomy and celestial mechanics | ||
| QB455-456 | Astrogeology | ||
| QB460-466 | Astrophysics | ||
| QB468-480 | Non optical methods of astronomy | ||
| QB495-903 | Descriptive astronomy | ||
| QB500.5-785 | Solar system | ||
| QB799-903 | Stars | ||
| QB980-991 | Cosmogony. Cosmology | ||
| QC1-999 | Physics | |||
| QC1-75 | General | |||
| QC81-114 | Weights and measures | |||
| QC120-168.85 | Descriptive and experimental mechanics | |||
| QC170-197 | Atomic physics. Constitution and properties of matter Including molecular physics, relativity, quantum theory, and solid state physics | |||
| QC221-246 | Acoustics. Sound | |||
| QC251-338.5 | Heat | |||
| QC310.15-319 | Thermodynamics | |||
| QC350-467 | Optics. Light | |||
| QC450-467 | Spectroscopy | |||
| QC474-496.9 | Radiation physics (General) | |||
| QC501-766 | Electricity and magnetism | |||
| QC501-(721) | Electricity | |||
| QC669-675.8 | Electromagnetic theory | |||
| QC676-678.6 | Radio waves (Theory) | |||
| QC701-715.4 | Electric discharge | |||
| QC717.6-718.8 | Plasma physics. Ionized gases | |||
| QC750-766 | Magnetism | |||
| QC770-798 | Nuclear and particle physics. Atomic energy. Radioactivity | |||
| QC793-793.5 | Elementary particle physics | |||
| QC794.95-798 | Radioactivity and radioactive substances | |||
| QC801-809 | Geophysics. Cosmic physics | |||
| QC811-849 | Geomagnetism | |||
| QC851-999 | Meteorology. Climatology Including the earth's atmosphere | |||
| QC974.5-976 | Meteorological optics | |||
| QC980-999 | Climatology and weather | |||
| QC994.95-999 | Weather forecasting | |||
| QD1-999 | Chemistry | ||
| QD1-65 | General Including alchemy | ||
| QD71-142 | Analytical chemistry | ||
| QD146-197 | Inorganic chemistry | ||
| QD241-441 | Organic chemistry | ||
| QD415-436 | Biochemistry | ||
| QD450-801 | Physical and theoretical chemistry | ||
| QD625-655 | Radiation chemistry | ||
| QD701-731 | Photochemistry | ||
| QD901-999 | Crystallography | ||
| QE1-996.5 | Geology | ||
| QE1-350.62 | General Including geographical divisions | ||
| QE351-399.2 | Mineralogy | ||
| QE420-499 | Petrology | ||
| QE500-639.5 | Dynamic and structural geology | ||
| QE521-545 | Volcanoes and earthquakes | ||
| QE601-613.5 | Structural geology | ||
| QE640-699 | Stratigraphy | ||
| QE701-760 | Paleontology | ||
| QE760.8-899.2 | Paleozoology | ||
| QE901-996.5 | Paleobotany | ||
| QH1-278.5 | Natural history (General) | |
| QH1-(199.5) | General Including nature conservation, geographical distribution | |
| QH201-278.5 | Microscopy | |
| QH301-705.5 | Biology (General) | |
| QH359-425 | Evolution | |
| QH426-470 | Genetics | |
| QH471-489 | Reproduction | |
| QH501-531 | Life | |
| QH540-549.5 | Ecology | |
| QH573-671 | Cytology | |
| QH705-705.5 | Economic biology | |
| QK1-989 | Botany | ||
| QK1-474.5 | General Including geographical distribution | ||
| QK474.8-495 | Spermatophyta. Phanerogams | ||
| QK494-494.5 | Gymnosperms | ||
| QK495 | Angiosperms | ||
| QK504-(638) | Cryptogams | ||
| QK640-(707) | Plant anatomy | ||
| QK710-899 | Plant physiology | ||
| QK900-989 | Plant ecology | ||
| QL1-991 | Zoology | ||
| QL1-355 | General Including geographical distribution | ||
| QL360-599.82 | Invertebrates | ||
| QL461-599.82 | Insects | ||
| QL605-739.8 | Chordates. Vertebrates | ||
| QL614-639.8 | Fishes | ||
| QL640-669.3 | Reptiles and amphibians | ||
| QL671-699 | Birds | ||
| QL700-739.8 | Mammals | ||
| QL750-795 | Animal behavior | ||
| QL791-795 | Stories and anecdotes | ||
| QL799-799.5 | Morphology | ||
| QL801-950.9 | Anatomy | ||
| QL951-991 | Embryology | ||
| QM1-695 | Human anatomy | |
| QM1-511 | General | |
| QM531-549 | Regional anatomy | |
| QM550-577.8 | Human and comparative histology | |
| QM601-695 | Human embryology | |
| QP1-(981) | Physiology | |
| QP1-345 | General Including influence of the environment | |
| QP351-495 | Neurophysiology and neuropsychology | |
| QP501-801 | Animal biochemistry | |
| QP(901)-(981) | Experimental pharmacology | |
| QR1-502 | Microbiology | |
| QR1-74.5 | General | |
| QR75-99.5 | Bacteria | |
| QR99.6-99.8 | Cyanobacteria | |
| QR100-130 | Microbial ecology | |
| QR171 | Microorganisms in the animal body | |
| QR180-189.5 | Immunology | |
| QR355-502 | Virology | |