CLASSIFICATION
H - Social Science
610
T - Technology
307
L - Education
187
B - Philosophy, Psychology, Religion
120
R - Medicine
109
D - World History
106
G - Geography, Anthropology, Recreation
72
S - Agriculture
71
N - Fine Arts
66
P - Language and Literature
54
K - Law
44
J - Political Science
43
Q - Science
40
Z - Library Science
5
C - Historical Sciences
4
U - Military Science
3
A - General Works
2
V - Naval Science
1