SUBJECT
History
16
Politics and government
16
Addresses, essays, lectures
7
Developing countries
7
China
6
Economic conditions
6
United States
6
Foreign relations
5
Military policy
5
Social conditions
5
Armed Forces
4
Case studies
4
Civilization
4
Congresses
4
Economic policy
4
International economic relations
4
Research
4
Socialism
4
Agriculture, Cooperative
3
Economic aspects
3
Germany
3
Intelligence service
3
International relations
3
Latin America
3
Peace
3
Soviet Union
3
Agriculture
2
Arms control
2
Arms race
2
Budget
2
Cuba
2
Economic development
2
Ethnic relations
2
Japan
2
Medical care
2
Mineral industries
2
Munitions
2
National security
2
Peasantry
2
Political activity
2
Relations
2
Rural development
2
Science
2
Science and state
2
Social aspects
2
Technology
2
Technology and state
2
Vietnam
2
World politics
2
Addresses, lectures
1
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