Columbia subject headings:
Harvard subject headings:
Austria--History--1955-
Austria--History--Allied occupation, 1945-1955.
Cold War
Espionage--Soviet Union--History.
Ottillinger, Margarethe, 1919-
Political prisoners--Austria--Biography.
Political prisoners--Soviet Union--Biography
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--Biography.
Princeton subject headings:
Ottillinger, Margarethe, 1919-
Political prisoners--Austria--Biography.
Political prisoners--Soviet Union--Biography.