Veenhoven, Willem A

3

Buhr, Nicolette

1

Fennessy, RR

1

Huibregtse, PK

1

Meijer, Jan M

1

Trotsky, Leon

1

Ethnic minorities

3

Human rights

3

Racial discrimination

3

Religious discrimination

3

Sex discrimination

3

Peace issues

2

Anti-semitism

1

Developing countries

1

Disarmament

1

French Revolution (1789-1799)

1

Labour movement

1

Parliamentary reform

1

Race and racism

1

Republicanism

1

Slavery

1

Trade unions

1

1975

2

1962

1

1963

1

1964

1

1976

1