CLASSIFICATION
P - Language and Literature
7,089
D - World History
211
F - General American History
85
L - Education
75
C - Historical Sciences
51
A - General Works
25
S - Agriculture
9
T - Technology
6
G - Geography, Anthropology, Recreation
5
Z - Library Science
5
H - Social Science
4
M - Music
3
E - United States History
1
R - Medicine
1
V - Naval Science
1