Columbia subject headings:
Harvard subject headings:
Foreign workers--Germany (West)--History--20th century.
Political refugees--Europe, Eastern--History--20th century.
Political refugees--Germany (West)--History--20th century.
World War, 1939-1945--Conscript labor--Germany.
Princeton subject headings:
Political refugees--Germany (West)
Statelessness.
World War, 1939-1945--Conscript labor--Germany.
World War, 1939-1945--Refugees.