Columbia subject headings:
Anti-Nazi movement--Germany--Hamburg.
Hamburg (Germany)--History.
Helmuth Hübener Gruppe (Resistance group)
Youth--Political activity--Germany--Hamburg--History--20th century.
Harvard subject headings:
Anti-Nazi movement--Germany--Hamburg.
Hamburg (Germany)--History.
Helmuth Hübener Gruppe (Resistance group)
Youth--Germany--Hamburg--Political activity--History--20th century.
Princeton subject headings:
Anti-Nazi movement--Germany.
Düwer, Gerhard Heinrich Jacob Jonni, 1924-
Hübener, Helmuth, 1925-1942.
Mormons--Germany.
Political prisoners--Germany.
Schnibbe, Karl-Heinz.
Wobbe, Rudolfd Gustav, 1926-