CLASSIFICATION
P - Language and Literature
269
Q - Science
166
H - Social Science
162
R - Medicine
134
B - Philosophy, Psychology, Religion
108
T - Technology
94
G - Geography, Anthropology, Recreation
90
N - Fine Arts
48
M - Music
42
L - Education
36
D - World History
23
J - Political Science
23
S - Agriculture
22
C - Historical Sciences
16
K - Law
9
A - General Works
4
F - General American History
2
E - United States History
1