Columbia subject headings:
Harvard subject headings:
Prussia (Germany)--History--1806-1815.
Vincke, Ludwig, Freiherr von, 1774-1844
Westphalia (Germany)--Officials and employees--Biography.
Princeton subject headings:
Vincke, Ludwig, Freiherr von, 1774-1844.
Westphalia (Germany)--Officials and employees--Correspondence.