Signum
P - Language and Literature
5 911 307
H - Social Science
3 330 650
D - World History
2 740 996
B - Philosophy, Psychology, Religion
2 267 994
Q - Science
1 409 322
M - Music
1 388 797
N - Fine Arts
1 320 800
K - Law
1 222 651
T - Technology
1 152 676
L - Education
835 943
G - Geography, Anthropology, Recreation
831 434
R - Medicine
721 755
F - General American History
718 092
J - Political Science
665 459
C - Historical Sciences
551 782
Z - Library Science
524 754
A - General Works
397 678
E - United States History
396 534
S - Agriculture
378 509
U - Military Science
189 050
V - Naval Science
52 549