Columbia subject headings:
Conservatism--Belgium--Flanders--History--20th century.
Flanders (Belgium)--Intellectual life--20th century.
Ideology--Belgium--Flanders--History--20th century.
Intellectuals--Belgium--Flanders--History--20th century.
Harvard subject headings:
Intellectuals--Belgium--Flanders--Political activity--History--20th century.
Political science--Philosophy--History--20th century
Revolutions
Princeton subject headings: