Columbia subject headings:
Germany--Politics and government--1888-1918.
Haase, Hugo, 1863-1919.
Politicians--Germany--Biography.
Harvard subject headings:
Germany--Politics and government--1888-1918
Haase, Hugo, 1863-1919.
Politicians--Germany--Biography
Princeton subject headings:
Germany--Politics and government--1888-1918.
Haase, Hugo, 1863-1919.
Politicians--Germany--Biography.