Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--Exhibitions.
Political parties--Germany--History--Exhibitions.
Political parties--Germany--History.
Socialism--Germany
Socialism--Germany--History
Socialism--Germany--History--Exhibitions.
Sozialdemokratische Partei Deutschlands--History--Exhibitions.
Sozialdemokratische Partei Deutschlands--History.
Sozialistische Arbeiterpartei Deutschlands (1875-1890)--History--Exhibitions.
Sozialistische Arbeiterpartei Deutschlands (1875-1890)--History.
Princeton subject headings:
Political parties--Germany--History--Exhibitions.
Socialism--Germany--History--Exhibitions.
Sozialdemokratische Partei Deutschlands--History.
Sozialistische Arbeiterpartei Deutschlands (1875-1890)--History.