Burrmann, Analecta Historica de Hadriano VI (Utrecht, 1727); Reussens, Syntagma Theolog. Adriani VI: Anecdota de vitâ et scriptis Adriani VI (Louvain, 1862); Gachard, Correspondence de Charles Quint et d'Adrien VI (Bruxelles, 1859); Robinson, The Month (1877), XXXI, 350; Pastor, Hist. Jahrb. (1882), III, 121–130. The classic studies on this pope's life are those of Constantine von Höfler, among others Der deutsche Kaiser und der letzte deutsche Papst (Vienna, 1876); Leben des Papstes Adrian VI (Vienna, 1880); cf. his article on Adrian VI in Kirchenlex., V, 1426–27. Artaud de Montor, Lives and Times of the Roman Pontiffs (tr. New York, 1867), I, 698–707. For an extensive bibliography of Adrian VI see Chevalier Bio-Bibliogr. (2d ed., Paris, 1905), 57, 58.