Columbia subject headings:
Germany--Politics and government--1888-1918.
Liberalism--Germany.
Sozialdemokratische Partei Deutschlands.
Harvard subject headings:
Germany--Politics and government--1888-1918
Liberalism--Germany
Sozialdemokratische Partei Deutschlands
Princeton subject headings:
Germany--Politics and government--1888-1918.
Liberalism--Germany.
Sozialdemokratische Partei Deutschlands.