Columbia subject headings:
Hungarians--Czechoslovakia.
Hungarians--Romania.
Hungarians--Yugoslavia.
Hungary--Foreign relations.
Minorities--Hungary.
Minorities.
Harvard subject headings:
Hungarians--Czechoslovakia
Hungarians--Romania.
Hungarians--Yugoslavia.
Minorities.
Princeton subject headings:
Hungarians--Czechoslovakia.
Hungarians--Romania.
Hungarians--Yugoslavia.
Minorities.