Classification
P - Language and Literature
13,148
K - Law
608
H - Social Science
199
B - Philosophy, Psychology, Religion
88
D - World History
63
J - Political Science
46
N - Fine Arts
40
Q - Science
38
L - Education
31
M - Music
31
R - Medicine
11
T - Technology
10
S - Agriculture
7
G - Geography, Anthropology, Recreation
5
A - General Works
3
Z - Library Science
3
E - United States History
2
C - Historical Sciences
1
U - Military Science
1