Edmund Lodge, Illustrations of British History, biography, and Manners, in the Reigns of Henry VIII, Edward VI, Mary, Elizabeth, and James, Volume 1, Bensley, 1838, p. 437.
John M'Clintock and James Strong, Cyclopaedia of Biblical, Theological, and Ecclesiastical Literature, Volume 8, New York: Harper, 1894, p. 237
Eugen von Chrismar, Genealogie des Gesammthauses Baden: vom 16. Jahrhundert bis Heute, Gotha: Friedrich Andreas Perthes, 1892, p. 124 (German).
Max Bauer, Die Deutsche Frau in der Vergangenheit, Berlin: Alfred Schall, n.d. [1907], p. 398 (German).
Charles Francis Coghlan, The Beauties of Baden-Baden and Its Environs, London: F. Coghlan, 1858, p. 14 (wrongly stating 1569).
Cambridge Modern History, Ed. A.W. Ward, G.W. Prothero, Stanley Leathes, volume 4, The Thirty Years' War, New York: Macmillan, 1906, repr. 1911, pp. 79, 84
"Die Sponheimische Successionssache," Hermes, oder, Kritisches Jahrbuch der Literatur, Volume 31 (1828), 265–301, p. 289 (German).
Henry Montague Hozier and William Henry Davenport Adams, The Franco-Prussian War: Its Causes, Incidents, and Consequences, volume 2, London: William MacKenzie, 1872, p. 76
Charles Knox, Traditions of Western Germany: The Black Forest, the Neckar, the Odenwald, the Taunus, the Rhine, and the Moselle, volume 1, The Black Forest and Its Neighbourhood, London: Saunders and Otley, 1841, "The Image at the Yburg," pp. 167–68, 170–74
Werner Baumann, Ernst Friedrich von Baden-Durlach: die Bedeutung der Religion für Leben und Politik eines Süddeutschen Fürsten im Zeitalter der Gegenreformation, Stuttgart: Kohlhammer, 1962, p. 76 (German).
Friedrich Back, Die Evangelische Kirche im Lande zwischen Rhein, Mosel, Nahe und Glan: Bis zum Beginn des Dreißigjährigen Krieges, Bonn: Adolph Mareus, 1872–1874, p. 518 (German)