Ferdinand et Isabelle rois catholiques d'Espagne - d'Ors, Eugenio, 1881-1954; Ferdinand II, Holy Roman Emperor, archduke of Austria, king of Bohemia and king of Hungary, 1578-1637; Isabella Clara Eugenia, governess of the Low Countries, archduchess of Austria, 1566-1633; Michel, Paul-Henri, 1894-1964 (Paris : Gallimard, 1932)