Columbia subject headings:
Harvard subject headings:
Espionage--Germany--Biography.
Germany--History--1933-1945.
Holocaust, Jewish (1939-1945)--Germany--Biography.
Kauder, Richard.
Spies--Germany--Biography.
World War, 1939-1945--Secret service--Germany.
Princeton subject headings:
Espionage--Germany--Biography.
Germany--History--1933-1945.
Holocaust, Jewish (1939-1945)--Germany--Biography.
Kauder, Richard.
Spies--Germany--Biography.
World War, 1939-1945--Secret service--Germany.