Library of Congress Classification Outline – Class Q

LIBRARY OF CONGRESS CLASSIFICATION OUTLINE

 

CLASS Q – SCIENCE

 

Subclass Q

 

Q1-390                                   Science (General)

Q1-295                                         General

Q300-390                                     Cybernetics

Q350-390                                           Information theory

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

Subclass QM

 

QM1-695                                Human anatomy

QM1-511                                      General

QM531-549                                   Regional anatomy

QM550-577.8                                Human and comparative histology

QM601-695                                   Human embryology

 

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

 

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

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