Classmark
T - Technology
14,432
P - Language and Literature
7,474
G - Geography, Anthropology, Recreation
3,848
K - Law
3,601
A - General Works
3,392
Z - Library Science
3,179
L - Education
2,116
M - Music
1,733
S - Agriculture
1,591
F - General American History
1,566
R - Medicine
1,266
V - Naval Science
1,233
E - United States History
595
B - Philosophy, Psychology, Religion
468
I - Literaturtheorie, Methodologie
418
D - World History
413
W - Wörterbücher
387
N - Fine Arts
380
C - Historical Sciences
145