Columbia subject headings:
Harvard subject headings:
Danube Swabians--Yugoslavia--History--20th century.
Germans--Yugoslavia--History--20th century.
Yugoslavia--Ethnic relations.
Yugoslavia--Politics and government--1918-1945
Princeton subject headings:
Danube Swabians--Political activity--Yugoslavia.
Germans--Yugoslavia.
Yugoslavia--Ethnic relations.
Yugoslavia--History--1918-1945.