CLASSIFICATION
L - Education
6,984
Q - Science
3,879
P - Language and Literature
3,312
H - Social Science
1,738
G - Geography, Anthropology, Recreation
766
T - Technology
593
R - Medicine
577
B - Philosophy, Psychology, Religion
536
N - Fine Arts
506
D - World History
379
J - Political Science
284
Z - Library Science
207
K - Law
197
M - Music
174
E - United States History
119
C - Historical Sciences
116
A - General Works
106
S - Agriculture
102
F - General American History
18
V - Naval Science
17
U - Military Science
3