Columbia subject headings:
Harvard subject headings:
Barth (Germany : Concentration camp)
World War, 1939-1945--Concentration camps--Germany.
World War, 1939-1945--Conscript labor--Germany.
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Barth (Concentration camp)
World War, 1939-1945--Concentration camps--Germany--Barth.