CLASSIFICATION
P - Language and Literature
2,521
Q - Science
1,805
H - Social Science
1,300
L - Education
1,131
G - Geography, Anthropology, Recreation
511
R - Medicine
486
T - Technology
381
N - Fine Arts
312
D - World History
302
B - Philosophy, Psychology, Religion
287
J - Political Science
235
K - Law
132
Z - Library Science
88
S - Agriculture
60
E - United States History
37
A - General Works
35
C - Historical Sciences
26
F - General American History
10
M - Music
9
U - Military Science
1