Columbia subject headings:
Harvard subject headings:
Bergen-Belsen (Concentration camp)
Germany--History--1933-1945
Haas, Adolf, 1893-1945.
Nazi concentration camp commandants--Germany--Biography.
Nazis--Biography
Niederhagen (Concentration camp)
Waffen-SS--Biography.
Wewelsburg (Concentration camp)
Princeton subject headings:
Bergen-Belsen (Concentration camp)
Germany--History--1933-1945.
Haas, Adolf, 1893-
Nazi concentration camp commandants--Germany--Biography.
Nazis--Biography.
Niederhagen (Concentration camp)
Waffen-SS--Biography.
Wewelsburg (Concentration camp)