Classification
P - Language and Literature
161
D - World History
77
N - Fine Arts
28
J - Political Science
19
B - Philosophy, Psychology, Religion
14
H - Social Science
10
K - Law
6
C - Historical Sciences
3
M - Music
3
G - Geography, Anthropology, Recreation
2
R - Medicine
2
S - Agriculture
2
T - Technology
2
A - General Works
1
U - Military Science
1
Z - Library Science
1