Library of Congress Classification

Library of Congress Subject Classification

The UTSA Libraries use the Library of Congress call letter/number system for organizing its collections. The first letters classify material by broad subjects putting books on similar topics together. 

A: General Works.

AE: Encyclopedias
AG: Dictionaries
AI: General Indexes
AM: Museums, Collecting
AY: Almanacs and Directories

B:Philosophy. Psychology. Religion.

B-BD: Philosophy
BF: Psychology
BL: Religion
BM: Judaism
BP: Islam
BQ: Buddhism
BR: Christianity
BS: The Bible

C: Archaeology. Heraldry. Biography.

CB History of Civilization
CC: Archaeology
CS: Genealogy
CT: General Biography

D: History: Old World & General.

DA: Great Britain
DB: Austria. Czechoslovakia. Hungary.
DC: France
DD: Germany
DE: Greco-Roman World
DF: Greece
DG: Italy
DH-DJ: Netherlands
DK: Russia. Poland. Finland.
DL: Scandinavia
DP: Spain. Portugal.
DQ: Switzerland
DR: Eastern Europe
DS: Asia
DT: Africa
DU: Oceania. Australia
DX: Gypsies

E:History: United States.

E11-29: America (general)
E31-45: North America (general)
E51-99: Indians of North America
E101-135: Discovery of America
E151-184: United States: general history
E185: Negroes in the United States
E186-199: Colonial period
E201-298: Revolution
E351-364: War of 1812
E401-415: War with Mexico
E441-453: Slavery
E456-655: Civil War
E714-735: War with Spain (1898)
World War I: (see D501-680)
World War II: (see D731-838)
E740: Twentieth century

F: History: United States Local History. Canada. Mexico. South America.

F1-970: United States (individual states)
F1001-1140: Canada
F1201-1392: Mexico
F1401-3799: Latin America

G: Geography. Anthropology. Recreation.

G: Geography (General); maps; atlases
GA: Cartography (map making)
GC: Oceanography
GE: Environmental Science
GN: Anthropology
GR: Folklore
GV: Sports and Recreation

H: Social Sciences.

HA: Statistics
HB: Economic Theory, Demography
HC: Economic History by Region
HD: Industries, Land Use, Labor
HE: Transportation and Communications
HF: Business, Commerce
HJ: Public Finance
HG: Finance
HM: Sociology
HQ: Women's Studies, Social Groups
HT: Class, Race
HV: Social and Public Welfare, Criminology
HV2475: American Sign Language
HX: Socialism, Communism, Anarchism

J: Political Theory. Government.

JC: Political Theory
JF: Constitutional History and Administration
JS: Local Government
JV: Colonies and Colonization, Emigration and Immigration, Migration
JZ: International Relations

K: Law: National. International.

K: General works
KBM: Jewish Law
KBP: Islamic Law
KD: United Kingdom. Ireland.
KE: Canada
KF: United States (general)
KFA-KFZ: United States (by state, etc.)
KG: Latin America 
KH: South America

L: Education Theory and Training. Special Education. Adult Education.

LA: History of Education
LB: Theory and Practice of Education
LD: United States Universities & Colleges

M: Music.

M: Music Scores
ML: Music Literature
MT: Music Theory & Pedagogy

N: Fine Art. World Masters. Architecture. Lettering. Interior Decorating.

N  : Visual Arts
NA: Architecture
NB: Sculpture
NC: Drawing, Design, Illustration
ND: Painting
NE: Print Media
NK: Decorative Arts
NX: Arts in General

P: Classical Literature. Poetry. Fiction. Study of Language.

P: Philology and Linguistics
PA: Greek Language and Literature
PC: Romance Languages
PD: Germanic, Scandinavian
PE: English
PF: West Germanic 
PG: Slavic, Baltic, Albanian
PH: Uralic, Basque, Finnish, Hungarian
PJ: Oriental Languages and Literatures
PK: Indo-Iranian Languages and Literatures
PL: Languages and Literatures of Eastern Asia, Africa, Oceania
PM: American Indian Languages, Esperanto
PN: Literature (general)
PQ: Romance Literature
PQ1-PQ3999: French
PQ4001-PQ5999: Italian
PQ6001-PQ8929: Spanish
PQ9000-PQ9999: Portuguese
PR: English Literature
PS: American Literature
PT: Germanic Literature
PZ: Juvenile Literature

Q: Science.

QA: Mathematics
QB: Astronomy
QC: Physics
QD: Chemistry
QE: Geology
QH: Biology, Natural History
QK: Botany
QL: Zoology
QM: Human Anatomy
QP: Physiology
QR: Microbiology

R: Medicine. Dentistry. Nursing. Geriatrics.

RA: Public Aspects of Medicine
RB: Pathology
RC: Internal Medicine
RD: Surgery
RE: Ophthalmology
RF: Otorhinolaryngology
RG: Gynecology and Obstetrics
RJ: Pediatrics
RK: Dentistry
RL: Dermatology
RM: Therapeutics, Pharamacology
RS: Pharmacy & Materia Medica
RT: Nursing
RV: Botanic, Thomasonian, and Eclectic Medicine
RX: Homeopathy
RZ: Other Systems of Medicine

S: Agriculture. Forestry. Fishing. Animal Care and Breeding.

S:    Agriculture (general)
SB:  Plant Culture
SD:  Forestry
SF:   Animal Culture
SH:  Aquaculture, Fisheries
SK:  Hunting Sports

T: Engineering. Photography. Handicrafts. Cooking.

T: Technology
TA: Engineering- Civil & General
TC: Engineering- Hydraulic & Ocean
TD: Environment Technology, Sanitary Engineering
TE: Highway Engineering, Roads and Pavement
TF: Railroad Engineering and Operation
TG: Bridge Engineering
TH: Building Construction
TJ: Mechanical Engineering and Machinery
TK: Electrical Engineering, Electronics, Nuclear Engineering
TL: Motor Vehicles, Aeronautics, Astronautics
TN: Mining Engineering, Metallurgy
TP: Chemical Technology
TR: Photography
TS: Manufactures
TT: Handicrafts, Arts & Crafts
TX: Home Economics

U: Military Science.

For Military History See: D - F

V: Naval Science.

For Naval History see: D - F

Z: Bibliography. Library Science.

Z:    Libraries, Writing, Paleography, Book Industries and Trade, Bibliographies
ZA: Information Resources (general)
ZA5049 - 5190  Government Information