CLASSIFICATION
P - Language and Literature
7,986
D - World History
981
C - Historical Sciences
899
H - Social Science
594
B - Philosophy, Psychology, Religion
516
L - Education
302
M - Music
288
J - Political Science
168
Q - Science
149
G - Geography, Anthropology, Recreation
146
T - Technology
135
K - Law
131
S - Agriculture
98
R - Medicine
88
N - Fine Arts
62
A - General Works
21
Z - Library Science
21
U - Military Science
18
F - General American History
6
E - United States History
5