Columbia subject headings:
Harvard subject headings:
Collective memory--Germany--Bremen--History.
Farge (Concentration camp)--History.
Forced labor--Germany--Bremen--History.
Navy-yards and naval stations--Germany--Bremen--History--20th century.
Submarines (Ships)--Germany--Bremen--Design and construction.
Princeton subject headings:
Bunkers (Fortification)--Germany--Bremen--Design and construction.
Farge (Concentration camp)
Forced labor--Germany--Bremen.
Navy-yards and naval stations--Germany--Bremen.
Submarines (Ships)--Germany--Bremen.
World War, 1939-1945--Germany--Bremen.