Columbia subject headings:
Germany--History--1806-1815.
Hesse (Germany)--History.
Knights and knighthood--Germany--Hesse--History--19th century.
Knights and knighthood--Germany--History--19th century.
Harvard subject headings:
Germany--History--1806-1815.
Germany--Politics and government--1789-1900
Hesse (Germany)--History.
Knights and knighthood--Germany--Hesse--History--19th century.
Knights and knighthood--Germany--History--19th century.
Nassau (Duchy)--History.
Nobility--Germany
Princeton subject headings:
Germany--History--1806-1815.
Hesse (Germany)--History.
Knights and knighthood--Germany--Hesse-Nassau--History--19th century.
Knights and knighthood--Germany--History--19th century.