Columbia subject headings:
Richelieu, Armand Jean du Plessis, duc de, 1585-1642.
Harvard subject headings:
Biographies.
France--History--17th century.
Nobility--France--17th century--Biography.
Richelieu, Armand Jean du Plessis, duc de, 1585-1642.
Princeton subject headings:
Richelieu, Armand Jean du Plessis, duc de, 1585-1642.