Columbia subject headings:
Prostitution--Germany--History--20th century.
World War, 1939-1945--Concentration camps--Germany.
Harvard subject headings:
Prostitution--Germany--History--20th century.
World War, 1939-1945--Concentration camps.
Princeton subject headings:
Prostitution--Germany--History--20th century.
World War, 1939-1945--Concentration camps--Germany.