Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany--Biography
Austria--History--1938-1945.
Buchenwald (Concentration camp)--History.
Kogon, Eugen, 1903-1987.
Nazi concentration camp inmates--Germany--Correspondence
Political prisoners--Germany--Biography
Princeton subject headings:
Austria--History--1938-1945.
Kogon, Eugen, 1903-1987.