Columbia subject headings:
Belgium--Ethnic relations.
Belgium--Politics and government.
Conservatism--Belgium--History--20th century.
Political culture--Belgium.
Radicalism--Belgium--History--20th century.
e-be.
Harvard subject headings:
Belgium--Ethnic relations.
Belgium--Politics and government.
Conservatism--Belgium--History--20th century.
Political culture--Belgium.
Radicalism--Belgium--History--20th century.
Princeton subject headings:
Belgium--Politics and government.