Columbia subject headings:
Hungarians in Rumania.
Hungarians in Yugoslavia.
Hungarians in the Czechoslovak republic.
Hungarians--Czechoslovakia.
Hungarians--Romania.
Hungarians--Yugoslavia.
Minorities.
Harvard subject headings:
Hungarians--Czechoslovakia.
Hungarians--Romania.
Hungarians--Yugoslavia.
Minorities
Princeton subject headings:
Hungarians--Czechoslovakia.
Hungarians--Romania.
Hungarians--Yugoslavia.
Minorities.