Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1918-1933
Germany--Politics and government--1933-1945.
Hamm, Eduard, 1879-1944
Politicians--Germany--Biography
Princeton subject headings:
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Hamm, Eduard, 1879-1944.
Politicians--Germany--Biography.