Pathfinder: Library of Congress Classification

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How To Find A Book

The books in this library are arranged on the shelves according to the Library of Congress Classification System, which separates all knowledge into 21 classes as outlined below. Each class is identified by a letter of the alphabet, subclasses by combinations of letters, and subtopics within classes and subclasses by a numerical notation.

The Complete Library of Congress call number for any book may be found by consulting the card catalog. The Librarian will be happy to assist you if you are unable to find the book you want.

A

General Works

General encyclopedias, reference books, periodicals, etc.

B

Philosophy-Religion

B-BJ Philosophy, including BF, Psychology
BL-BX Religion

C

Auxiliary Sciences
of History

CB History of Civilization (General)
CC Archaeology
CD Archives
CJ Numismatics
CR Heraldry
CS Genealogy
CT Biography (General

D

History: General
& Old World

(including geography of individual countries)
D World History, including World Wars
DA Great Britain
DB Austria
DC France
DD, etc. Other indivudual countries

E-F

History of America

(including geography of individual countries)
E 1-143 America (General)
E 151-857 United States (General)
F 1-957 United States States and Local
F 1001-1140 Canada
F 1021, etc. Other individual countries

G

Geography, Anthropology, Folklore, etc.

G Geography (General
GB Physical Geography
GC Oceanography
GN Anthropology
GR Folklore
GV Recreation

H

Social Sciences

HA Statistics
HB-HJ Economics
HM-HX Sociology

J

Political Science

JA-JC Political Science
JF-JQ Constitutional History andPublic Administration
JS Local Government
JX International Law

K

Law

L

Education

M

Music

N

Fine Arts

NA Architecture
NB Sculpture
NC Graphic Arts
ND Painting
NK Decorative Arts

P

Language &
Literature

P Philology and Linguistics
PA Classical Languages and Literatures
PC Romance Languages
PD-PF Germanic Languages,including PE English
PG Slavic Languages and Literatures
PJ-PL Oriential Languages and Literatures
PN General and Comparative Literature
PQ Romance Literatures
PR English Literature
PS American Literature
PT Germanic Literatures
PZ Fiction in English Juvenile Literature

Q

Science

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

R

Medicine

S

Agriculture

SB Plant Culture and Horticulture
SD Forestry
SF Animal Culture
SH Fish Culture and Fisheries
SK Hunting Sports

T

Technology

TA General Engineering,including General Civil Engineering
TC Hydraulic Engineering
TD Sanitary and Municipal Engineering
TE Highway Engineering
TF Railroad Engineering
TG Bridge Engineering
TH Building Construction
TJ Mechanical Engineering
TK Electrical Engineering,Nuclear Engineering
TL Motor Vehicles,Aeronautics, Astronautics
TN Mining Engineering, Mineral Industries,Metallurgy
TP Chemical Technology
TR Photography
TS Manufactures
TT Handicrafts, Arts & Crafts
TX Home Economics

U

Military Science

V

Naval Science

Z

Bibliography & Library Science

Biography, Lives of individuals, illustrating of any subject, are normally classified with that subject, e.g. Albert Einstein is classified in Physics, OC16 E5. Otherwise, they are classified with general biography in CT