SUBJECT
Economic policy
64
Foreign relations
64
History
62
Economic conditions
61
Economic aspects
55
Agriculture
40
Politics and government
36
History and criticism
34
Natural resources
25
Finance
23
Mathematical models
23
Congresses
20
Economic development
20
Philosophy
19
Underdeveloped areas
18
Cities and towns
16
Education
16
Government policy
16
Social conditions
16
World politics
15
Agriculture and state
14
Case studies
14
Democracy
13
Water resources development
13
Environmental policy
12
Petroleum industry and trade
12
Food supply
11
Science
11
Addresses, essays, lectures
10
Criticism
10
Developing countries
10
Economic development projects
10
Evaluation
10
Rural conditions
10
Statistics
10
Cost effectiveness
9
Criticism and interpretation
9
Economic history
9
Employment
9
Energy policy
9
English literature
9
Military policy
9
Planning
9
Taxation
9
Agricultural development projects
8
Conservation of natural resources
8
Management
8
Methodology
8
Monetary policy
8
Politics
8
more ...