CLASSIFICATION
T - Technology
7,115
H - Social Science
4,347
L - Education
2,260
R - Medicine
2,196
N - Fine Arts
1,470
Q - Science
1,139
B - Philosophy, Psychology, Religion
910
G - Geography, Anthropology, Recreation
638
S - Agriculture
618
P - Language and Literature
249
D - World History
167
K - Law
150
C - Historical Sciences
105
J - Political Science
57
Z - Library Science
51
A - General Works
31
F - General American History
28
M - Music
19
E - United States History
13
U - Military Science
5
V - Naval Science
5