Classification
H - Social Science
3,695
M - Music
1,679
S - Agriculture
1,077
K - Law
935
J - Political Science
632
Q - Science
505
T - Technology
483
L - Education
419
D - World History
392
R - Medicine
335
Z - Library Science
297
F - General American History
184
G - Geography, Anthropology, Recreation
131
N - Fine Arts
110
A - General Works
96
E - United States History
89
P - Language and Literature
84
C - Historical Sciences
58
U - Military Science
57
B - Philosophy, Psychology, Religion
20
V - Naval Science
11