Columbia subject headings:
Harvard subject headings:
Czechoslovakia--Politics and government--1918-1938.
Ukrainians--Slovakia--Východoslovenský kraj--History.
Východoslovenský kraj (Slovakia)--Ethnic relations.
Princeton subject headings:
Czechoslovakia--Politics and government--1918-1938.
Ukrainians--Slovakia--Východoslovenský kraj--History.
Východoslovenský kraj (Slovakia)--Ethnic relations.