CLASSIFICATION
P - Language and Literature
3,184
C - Historical Sciences
1,710
L - Education
996
D - World History
376
V - Naval Science
248
H - Social Science
233
N - Fine Arts
153
B - Philosophy, Psychology, Religion
105
T - Technology
104
M - Music
66
Q - Science
64
J - Political Science
62
K - Law
58
S - Agriculture
50
G - Geography, Anthropology, Recreation
47
R - Medicine
29
A - General Works
28
F - General American History
11
U - Military Science
10
Z - Library Science
6
E - United States History
4