Subject
Economic conditions
126
History
87
Politics and government
71
Social conditions
57
Depressions
52
New Deal, 1933-1939
44
World War, 1939-1945
35
Economic policy
33
Foreign relations
21
National socialism
17
Social life and customs
16
Civilization
14
United States
14
Causes
12
Political and social views
8
World politics
8
Economic aspects
7
Industrial policy
6
Nineteen thirties
6
Economic history
5
Diplomatic history
4
Influence
4
Jews
4
Labor movement
4
Nineteen twenties
4
Popular culture
4
Social aspects
4
Documentary photography
3
Fascism
3
Intellectual life
3
Political activity
3
Social change
3
Alliances
2
Artisans
2
Business cycles
2
Capitalism
2
Communism
2
Democratization
2
Diplomats
2
Education
2
Handicraft industries
2
Holocaust, Jewish (1939-1945)
2
Industrial mobilization
2
Industrial organization
2
Judaism and politics
2
Labor policy
2
Libraries and society
2
Military art and science
2
Military policy
2
Natural resources
2
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