CLASSIFICATION
Q - Science
880
T - Technology
131
P - Language and Literature
54
H - Social Science
44
B - Philosophy, Psychology, Religion
39
L - Education
20
G - Geography, Anthropology, Recreation
12
R - Medicine
12
D - World History
10
A - General Works
7
C - Historical Sciences
4
E - United States History
4
N - Fine Arts
4
J - Political Science
2
U - Military Science
2
Z - Library Science
2
K - Law
1
M - Music
1
S - Agriculture
1