SUBJECT
History
31
Economic conditions
30
Social conditions
23
Economic policy
22
Politics and government
16
Women
13
Sociology
12
Economic aspects
10
Rural conditions
10
Economic development
9
Foreign economic relations
9
Agriculture
8
Family
8
Mathematical models
7
Communism
6
Industrial management
6
Industrial policy
6
Industrial relations
6
Social aspects
6
Agriculture and state
5
Food question
5
Government policy
5
Methodology
5
Peasantry
5
Petroleum industry and trade
5
Population
5
Postmodernism
5
Social conflict
5
Social structure
5
Addresses, essays, lectures
4
Civilization, Modern
4
Economic condition
4
Emigration and immigration
4
Employment
4
Food supply
4
Income distribution
4
Labor and laboring classes
4
Land tenure
4
Psychology
4
Public welfare
4
Social life and customs
4
Social sciences
4
Trade-unions
4
World War, 1939-1945
4
Congresses
3
Econ. condit
3
Economics
3
Finance, Public
3
Foreign relations
3
High technology industries
3
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