Classification
T - Technology
361
Q - Science
41
R - Medicine
18
C - Historical Sciences
17
P - Language and Literature
17
A - General Works
16
M - Music
16
B - Philosophy, Psychology, Religion
12
H - Social Science
12
Z - Library Science
11
N - Fine Arts
8
D - World History
7
F - General American History
6
E - United States History
3
U - Military Science
3
G - Geography, Anthropology, Recreation
2
L - Education
2
V - Naval Science
2
K - Law
1