Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany--Biography
Germany--History--1933-1945.
Graf, Willi, 1918-1943.
Weisse Rose (Resistance group)--History.
Princeton subject headings:
Anti-Nazi movement--Germany--History.
Graf, Willi, 1918-1943.
Weisse Rose (Resistance group)--History.