Columbia subject headings:
Congress of European Nationalities.
Europe--Politics and government--20th century--Congresses.
Minorities--Europe--History--20th century--Congresses.
Nationalism--Europe--History--20th century--Congresses.
Regionalism--Europe--History--20th century--Congresses.
Harvard subject headings:
Congress of European Nationalities.
Europe--Politics and government--20th century--Congresses.
Minorities--Europe--History--20th century--Congresses.
Nationalism--Europe--History--20th century--Congresses.
Regionalism--Europe--History--20th century--Congresses.
Princeton subject headings:
Congress of European Nationalities--History.
Minorities--Europe--Congresses--History.