Columbia subject headings:
Harvard subject headings:
Croatia--History--1918-1945.
Forced labor--Croatia--History--20th century.
Labor camps--Croatia--History--20th century.
World War, 1939-1945--Conscript labor--Croatia.
Yugoslavia--History--Axis occupation, 1941-1945.
Princeton subject headings:
Croatia--History--1918-1945.
Forced labor--Croatia--History--20th century.
Labor camps--Croatia--History--20th century.
World War, 1939-1945--Conscript labor--Croatia.
Yugoslavia--History--Axis occupation, 1941-1945.