Columbia subject headings:
Harvard subject headings:
Germany--History--1789-1900.
Marshals--Germany--Biography.
Roon, Albrecht, Graf von, 1803-1879.
Statesmen--Germany--Prussia--Biography.
Princeton subject headings:
Generals--Germany--Prussia--19th century--Biography.
Military officers--Germany--Prussia--19th century--Biography.
Presidents--Germany--Prussia--19th century--Biography.
Prussia (Germany)--Politics and government--19th century.
Roon, Albrecht, Graf von, 1803-1879.
Statesmen--Germany--Prussia--19th century--Biography.