Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1918-1933
Germany--Politics and government--1933-1945.
Gumbel, Emil Julius, 1891-1966
Mathematicians--Germany--Biography
Pacifists--Germany--Biography
Right-wing extremists--Germany--History--20th century.
Socialists--Germany--Biography
Princeton subject headings:
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Gumbel, Emil Julius, 1891- .
Mathematicians--Germany--Biography.
Pacifists--Germany--Biography.
Right-wing extremists--Germany--History--Biography.
Socialists--Germany--Biography.