Columbia subject headings:
Germans--Croatia--Politics and government--20th century.
Germans--Serbia--Vojvodina--Politics and government--20th century.
Hungarians--Croatia--Politics and government--20th century.
Hungarians--Serbia--Vojvodina--Politics and government--20th century.
Harvard subject headings:
Ethnicity--Croatia--History--20th century.
Ethnicity--Serbia--Vojvodina--History--20th century.
Germans--Croatia--Politics and government--20th century.
Germans--Serbia--Vojvodina--Politics and government--20th century.
Hungarians--Croatia--Politics and government--20th century.
Hungarians--Serbia--Vojvodina--Politics and government--20th century.
Princeton subject headings:
Ethnicity--Croatia--History--20th century.
Ethnicity--Serbia--Vojvodina--History--20th century.
Germans--Croatia--Politics and government--20th century.
Germans--Serbia--Vojvodina--Politics and government--20th century.
Hungarians--Croatia--Politics and government--20th century.
Hungarians--Serbia--Vojvodina--Politics and government--20th century.