A | General Works |
B | Philosophy, Psychology, and Religion |
C | Auxiliary Sciences of History |
D | General and Old World History |
E | History of America |
F | History of the United States and British, Dutch, French, and Latin America |
G | Geography, Anthropology, and Recreation |
H | Social Sciences |
J | Political Science |
K | Law |
L | Education |
M | Music |
N | Fine Arts |
P | Language and Literature |
Q | Science |
R | Medicine |
S | Agriculture |
T | Technology |
U | Military Science |
V | Naval Science |
Z | Bibliography, Library Science, and General Information Resources |