Listed below are the letters and titles of the main classes of the Library of Congress Classification.
A - GENERAL WORKS
B - PHILOSOPHY. PSYCHOLOGY. RELIGION
C - AUXILIARY SCIENCES OF HISTORY
D - WORLD HISTORY AND HISTORY OF EUROPE, ASIA, AFRICA, AUSTRALIA, NEW ZEALAND, ETC.
E - HISTORY OF THE AMERICAS
F - HISTORY OF THE AMERICAS
G - GEOGRAPHY. ANTHROPOLOGY. RECREATION
H - SOCIAL SCIENCES
J - POLITICAL SCIENCE
K - LAW
L - EDUCATION
M - MUSIC AND BOOKS ON MUSIC
N - FINE ARTS
P - LANGUAGE AND LITERATURE
Q - SCIENCE
R - MEDICINE
S - AGRICULTURE
T - TECHNOLOGY
U - MILITARY SCIENCE
V - NAVAL SCIENCE
Z - BIBLIOGRAPHY. LIBRARY SCIENCE. INFORMATION RESOURCES (GENERAL)
