Шифр
K - Law
1,565
H - Social Science
1,098
L - Education
834
J - Political Science
795
P - Language and Literature
646
Q - Science
553
R - Medicine
438
T - Technology
358
F - General American History
329
G - Geography, Anthropology, Recreation
253
S - Agriculture
233
B - Philosophy, Psychology, Religion
206
Z - Library Science
111
C - Historical Sciences
48
D - World History
37
N - Fine Arts
14
U - Military Science
10
A - General Works
5
M - Music
1