CLASSIFICATION
P - Language and Literature
268
Q - Science
166
H - Social Science
162
R - Medicine
133
B - Philosophy, Psychology, Religion
109
T - Technology
94
G - Geography, Anthropology, Recreation
86
N - Fine Arts
48
L - Education
36
D - World History
23
S - Agriculture
22
J - Political Science
21
C - Historical Sciences
16
K - Law
9
A - General Works
4
F - General American History
2
E - United States History
1
M - Music
1