Columbia subject headings:
Harvard subject headings:
Christlich-Demokratische Union Deutschlands (Germany : West)--History--Sources.
Christlich-Soziale Union--History--Sources.
Coalition governments--Germany (West)--History--Sources.
Germany (West)--Politics and government--Sources.
Party committees--Germany (West)--History--Sources.
Sozialdemokratische Partei Deutschlands--History--Sources.
Princeton subject headings:
Coalition governments--Germany (West)--History--Sources.
Germany (West)--Politics and government--Sources.
Party committees--Germany (West)--History--Sources.