Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1871-1918.
Germany--Politics and government--1918-1933
Political culture--Germany--History--19th century.
Political culture--Germany--History--20th century.
Preuss, Hugo, 1860-1925--Political and social views.
Princeton subject headings:
Germany--Politics and government--1871-1918.
Germany--Politics and government--1918-1933.
Political culture--Germany--History--19th century.
Political culture--Germany--History--20th century.
Preuss, Hugo, 1860-1925--Political and social views.