Classification
D - World History
177
P - Language and Literature
137
M - Music
84
B - Philosophy, Psychology, Religion
66
H - Social Science
42
A - General Works
30
N - Fine Arts
20
C - Historical Sciences
19
F - General American History
18
E - United States History
14
R - Medicine
14
G - Geography, Anthropology, Recreation
13
J - Political Science
11
Q - Science
11
S - Agriculture
9
K - Law
6
T - Technology
3
Z - Library Science
3
L - Education
2
U - Military Science
1