Columbia subject headings:
Constitutional history--Germany (West)
Germany (West)--Social policy.
Socialism--Germany (West)--History.
Sozialdemokratische Partei Deutschlands--History.
Harvard subject headings:
Princeton subject headings:
Constitutional history--Germany (West)
Constitutional history--Germany.
Sozialdemokratische Partei Deutschlands--History--20th century.
Sozialdemokratische Partei Deutschlands--Party work.