Columbia subject headings:
Betrayal.
Collaborationists--Germany--Berlin--Biography.
Germany. Geheime Staatspolizei.
Holocaust, Jewish (1939-1945)
Jews--Persecutions--Austria--Vienna.
Jews--Persecutions--Germany--Berlin.
Harvard subject headings:
Betrayal.
Collaborationists--Germany--Berlin--Biography.
Germany. Geheime Staatspolizei
Holocaust, Jewish (1939-1945)
Jews--Persecutions--Austria--Vienna.
Jews--Persecutions--Germany--Berlin.
Princeton subject headings: