Subject
History
93
Science
26
Politics and government
25
Authors, American
21
History and criticism
15
Physicists
14
Political science
13
Political culture
12
Science fiction, American
12
Elite (Social sciences)
11
Right and left (Political science)
11
Authorship
10
Intellectual life
10
Science fiction
10
Criticism and interpretation
9
Philosophy
9
Political scientists
9
World War, 1939-1945
9
Atomic bomb
7
Research
7
Scientists
7
Authors, English
6
Intellectuals
6
Political and social views
6
Politicians
6
Science and state
6
Technological innovations
6
Cold War
5
Historians
5
Philosophers
5
Political activists
5
Social aspects
5
Social life and customs
5
Friends and associates
4
Historiography
4
Influence
4
Military art and science
4
Moral and ethical aspects
4
Naval art and science
4
Novelists, American
4
Officers
4
Officials and employees
4
Physics
4
Political aspects
4
Women
4
Astronomers
3
Chemists
3
Communication in science
3
Communism
3
Earth sciences
3
more ...