CLASSIFICATION
H - Social Science
36,362
L - Education
2,766
D - World History
1,577
J - Political Science
1,056
T - Technology
771
G - Geography, Anthropology, Recreation
638
R - Medicine
527
K - Law
484
S - Agriculture
469
A - General Works
360
Q - Science
298
C - Historical Sciences
242
E - United States History
208
F - General American History
169
P - Language and Literature
167
B - Philosophy, Psychology, Religion
117
Z - Library Science
88
M - Music
81
V - Naval Science
56
N - Fine Arts
52
U - Military Science
28