Columbia subject headings:
Harvard subject headings:
Brandenburg (Germany : State)--History--Sources--Catalogs.
Brandenburg (Germany : State)--Kings and rulers--Biography--Catalogs.
Brandenburg-Preussisches Hausarchiv. Dienstbibliothek--Catalogs.
Hohenzollern, House of--History--Sources--Catalogs.
Royal houses--Germany--Brandenburg--History--Sources--Catalogs.
State libraries--Germany--Berlin--History.
Princeton subject headings:
Brandenburg (Germany : State)--History--Sources--Catalogs.
Brandenburg (Germany : State)--Kings and rulers--Biography--Catalogs.
Brandenburg-Preussisches Hausarchiv. Dienstbibliothek--Catalogs.
Catalogs.
Hohenzollern, House of--History--Sources--Catalogs.
Royal houses--Germany--Brandenburg--History--Sources--Catalogs.
State libraries--Germany--Berlin--History.