SUBJECT
Hist
Political science
72
Education
67
Pol. & govt
65
Fiction
58
Hist. & crit
48
English language
41
Sources
37
Colonies
36
Communism
35
Cities and towns
33
Theater
33
Comm
32
Moving-pictures
25
Socialism
22
Commerce
20
Criticism
20
Revolution
20
Civilization
19
Philosophy
18
Political parties
17
Bibl
15
Money
15
Sociology
14
Finance
13
Labor and laboring classes
13
Costume
12
Imperialism
12
Printing
12
Universities and colleges
12
Descr. & trav
11
Soc. condit
11
Drama
10
Econ. condit
10
For. rel
10
Banks and banking
9
Press
9
Roman law
9
Trade-unions
9
Words
9
Addresses, essays, lectures
8
Agriculture
8
French language
8
Military art and science
8
Science
8
Sports
8
Women
8
Administration
7
Colonial question
7
Constitutional history
7
more ...