Classification
P - Language and Literature
2,264
Q - Science
199
B - Philosophy, Psychology, Religion
116
H - Social Science
71
D - World History
67
S - Agriculture
58
R - Medicine
57
N - Fine Arts
24
J - Political Science
20
K - Law
15
L - Education
12
M - Music
12
G - Geography, Anthropology, Recreation
11
T - Technology
11
A - General Works
3
E - United States History
2
C - Historical Sciences
1
U - Military Science
1
Z - Library Science
1