Columbia subject headings:
Cardinals--France--Correspondence.
France--History--Louis XIII, 1610-1643--Sources.
Richelieu, Armand Jean du Plessis, duc de, 1585-1642--Correspondence.
Statesmen--France--Correspondence.
Harvard subject headings:
Cardinals--France--Correspondence.
France--History--Louis XIII, 1610-1643--Sources.
Richelieu, Armand Jean du Plessis, duc de, 1585-1642--Correspondence.
Statesmen--France--Correspondence.
Princeton subject headings: