SUBJECT
Economic history
Social history
Economic development
20
World politics
15
History
11
Economic conditions
10
Civilization, Modern
9
Economics
8
Social change
8
Capitalism
7
Income distribution
6
Power (Social sciences)
6
International relations
5
Revolutions
4
Social aspects
4
Economic policy
3
Global environmental change
3
Globalization
3
International economic relations
3
Mathematical models
3
Social classes
3
Statistics
3
1945
2
Cost and standard of living
2
Developing countries
2
Forecasts
2
Geography
2
Intellectuals
2
Maps
2
Native races
2
Politics and government
2
Social conditions
2
Social prediction
2
Social structure
2
Twenty-first century
2
World history
2
Addresses, essays, lectures
1
Agriculture
1
Applied anthropology
1
Asia
1
Atlases
1
Chance
1
Civilization
1
Civilization, Ancient
1
Economic condition
1
Economic forecasting
1
Economic geography
1
Economic indicators
1
Education
1
Handbooks, manuals, etc
1
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