Classification
P - Language and Literature
68
H - Social Science
62
D - World History
39
B - Philosophy, Psychology, Religion
16
K - Law
13
S - Agriculture
10
N - Fine Arts
9
J - Political Science
8
L - Education
8
R - Medicine
4
T - Technology
4
U - Military Science
4
M - Music
2
Q - Science
2
Z - Library Science
2
A - General Works
1
C - Historical Sciences
1
E - United States History
1
V - Naval Science
1