Library of Congress Main Classes

The LOC system was first developed in the late nineteenth century, inspired by Thomas Jefferson's fixed location system. Can you name all top-level classes?
Library of Congress Classification Outline as defined by: https://www.loc.gov/catdir/cpso/lcco/
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EarlGrey
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Last updated: July 11, 2025
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First submittedJuly 5, 2025
Times taken9
Average score70.0%
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Hint
Answer
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/F
History of the Americas
G
Geography, Anthropology, Recreation
H
Social Sciences
J
Political Science
K
Law
L
Education
M
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
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