CLASSIFICATION
T - Technology
11,249
Q - Science
4,551
L - Education
4,061
H - Social Science
379
G - Geography, Anthropology, Recreation
237
R - Medicine
119
K - Law
25
P - Language and Literature
25
Z - Library Science
24
S - Agriculture
15
B - Philosophy, Psychology, Religion
14
N - Fine Arts
14
C - Historical Sciences
12
D - World History
6
J - Political Science
4
M - Music
4
U - Military Science
3
V - Naval Science
3
A - General Works
1