Columbia subject headings:
Harvard subject headings:
Foreign ministers--Germany--Prussia--Biography.
Hardenberg, Karl August, Fürst von, 1750-1822.
Prime ministers--Germany--Prussia--Biography.
Prussia (Germany)--Foreign relations--1740-1815.
Prussia (Germany)--History--1740-1815.
Prussia (Germany)--Politics and government--1740-1815.
Statesmen--Germany--Prussia--Biography.
Princeton subject headings:
Foreign ministers--Germany--Prussia--Biography.
Hardenberg, Karl August, Fürst von, 1750-1822.
Prime ministers--Germany--Prussia--Biography.
Prussia (Germany)--Foreign relations--1740-1815.
Prussia (Germany)--History--1740-1815.
Prussia (Germany)--Politics and government--1740-1815.
Statesmen--Germany--Prussia--Biography.