CLASSIFICATION
P - Language and Literature
5,612
D - World History
167
L - Education
62
C - Historical Sciences
39
A - General Works
24
F - General American History
5
T - Technology
5
G - Geography, Anthropology, Recreation
4
H - Social Science
3
M - Music
3
Z - Library Science
3
E - United States History
1
R - Medicine
1
V - Naval Science
1