Columbia subject headings:
Croats--Austria--Burgenland--History--20th century.
Immigrants--Austria--Burgenland--History--20th century.
Harvard subject headings:
Burgenland (Austria)--Foreign population--History--20th century.
Croats--Austria--Burgenland--History--20th century.
Immigrants--Austria--Burgenland--History--20th century.
Princeton subject headings:
Croats--Austria--Burgenland--History--20th century.
Immigrants--Austria--Burgenland--History--20th century.