Columbia subject headings:
Kommunistische Partei Deutschlands--History--Sources--Catalogs.
Komunistická strana Československa--History--Sources--Catalogs.
Landeshauptarchiv Sachsen-Anhalt--Catalogs.
Political parties--Germany--History--Sources--Catalogs.
Saxony-Anhalt (Germany)--Politics and government--Sources--Catalogs.
Sozialdemokratische Partei Deutschlands--History--Sources--Catalogs.
Harvard subject headings:
Kommunistische Partei Deutschlands--History--Sources.
Komunistická strana Československa--History--Sources.
Political parties--Germany--History--Sources.
Saxony-Anhalt (Germany)--Politics and government--Sources.
Sozialdemokratische Partei Deutschlands--History--Sources.
Princeton subject headings:
Catalogs.
Kommunistische Partei Deutschlands--History--Sources--Catalogs.
Komunistická strana Československa--History--Sources--Catalogs.
Landeshauptarchiv Sachsen-Anhalt--Catalogs.
Political parties--Germany--History--Sources--Catalogs.
Saxony-Anhalt (Germany)--Politics and government--Sources--Catalogs.
Sozialdemokratische Partei Deutschlands--History--Sources--Catalogs.