Subclasses:

Q

Science (General)

QA

Mathematics

QB

Astronomy

QC

Physics

QD

Chemistry

QE

Geology

QH

Natural history - Biology

QK

Botany

QL

Zoology

QM

Human anatomy

QP

Physiology

QR

Microbiology


Subclass Q:

Q1-390

Science (General)

Q1-295

General

Q300-390

Cybernetics

Q350-390

Information theory

PPP8952.3688952.36

 

Subclass QA:

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

PPP8952.3688952.36

 

Subclass QB:

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

PPP8952.3688952.36

 

Subclass QC:

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

PPP8952.3688952.36

 

Subclass QD:

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

PPP8952.3688952.36

 

Subclass QE:

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

PPP8952.3688952.36

 

Subclass QH:

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

PPP8952.3688952.36

 

Subclass QK:

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

PPP8952.3688952.36

 

Subclass QL:

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

PPP8952.3688952.36

 

Subclass QM:

QM1-695

Human anatomy

QM1-511

General

QM531-549

Regional anatomy

QM550-577.8

Human and comparative histology

QM601-695

Human embryology

PPP8952.3688952.36

 

Subclass QP:

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

PPP8952.3688952.36

 

Subclass QR:

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

PPP8952.3688952.36

 

See also:

LC Classification Schedules:  An Outline