Columbia subject headings:
Harvard subject headings:
Carinthia (Austria)--History--20th century.
Carinthia (Slovenia)--History.
Carinthia (Slovenia)--Politics and government.
Plebiscite--Slovenia--Carinthia.
Princeton subject headings:
Carinthia (Austria)--Politics and government--20th century.
Carinthia (Slovenia)--Politics and government.
Plebiscite--Austria--Carinthia--History--20th century.
Plebiscite--Slovenia--Carinthia.
Slovenes--Austria--Carinthia--Politics and government--20th century.