Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany--History
Communists--Germany--Biography
Germany--Politics and government--1933-1945.
Römer, Beppo, 1892-1944.
Princeton subject headings:
Anti-Nazi movement--Germany--Biography.
Germany--History--1933-1945--Sources.
Römer, Beppo, 1892-1944.