Library of
Congress Subject Headings
Many academic libraries use the Library
of Congress Subject Headings (LCSH) which sorts books, periodicals, and other items into 21
branches of knowledge represented by letters:
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A - General works
B - Philosophy
C - Auxiliary sciences of history
D - History (general)
E-F - History (Americas)
G - Geography
H - Social sciences
J - Political science
K - Law
L - Education
|
M - Music
N - Visual arts
P - Language and literature
Q - Science
R - Medicine
S - Agriculture
T - Technology
U - Military science
V - Naval science
Z - Bibliography; library science |
Each branch is divided into more specific topics represented by
combinations of letters and numbers. For example, the book Wired to the World, Chained to the Home : Telework
in Daily Life has the call number
HD 2336.3 B523 1995:
H - Social sciences and business
HD - Economic history and conditions
2321 - 4730 - Industry
2331 - 2336 - Household Industry
2336.3 - Telecommuting
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