Communism

6

Catholicism

1

Economic conditions

1

Equality

1

Feminism

1

History

1

Homosexuality

1

Industrial democracy

1

Marxism

1

Nationalism

1

Politics

1

Socialism

1

Stalinism

1

Trials

1

Unionism

1

Women

1

1973

2

1974

2

1971

1

1972

1

1976

1