Johann Burchard, 1921, Pope Alexander VI and His Court: Extracts from the Latin Diary of Johannes Burchardus, F. L. Glaser, tr., N.L. Brown, New York, p. 179.
«Ludwig von Pastor, History of the Popes, Vol. 5, p. 124»,1899.«"Under Alexander VI. the taste for theatrical representations made great progress. Plays, for the most part of an extremely objectionable character, were a prominent feature in all court festivities, and also in the Carnival amusements, in which Alexander took a great interest. In 1502 the Pope had the Menaechmi performed in his own apartments."»
Monsignor Peter de Roo (1924), Material for a History of Pope Alexander VI, His Relatives and His Time, (5 vols.), Bruges, Desclée, De Brouwer, volume 2, p. 29. «Archived copy». Arxivat de l'original el 26 April 2012.[Consulta: 22 desembre 2011].volumes 1–5
Peter de Roo, 1924, Material for a History of Pope Alexander VI, vol. 5, p. 89, note. 112. (Word frequency and page number of specific words and phrases for all 5 vols. at HathiTrust)
Nicholas Patrick Wiseman, ed., 1858, The Dublin Review, London, Thomas Richardson & Son, vol. 45, p. 351.
Alexis Celadoni (Alexius Celadonius, Celadeni, 1451–1517), Bishop of Gallipoli, Italy (1494–1508), Alexii Celadeni Episcopi Gallipolitani Oratio ad sacrum cardinalium senatum ingressurum ad novum pontificem eligendum, Publisher: Rome: Johann Besicken, 1503.
Joëlle Rollo-Koster, 2008, Raiding Saint Peter: Empty Sees, Violence, and the Initiation of the Great Western Schism (1378), Leiden; Boston: Brill, ISBN 90-04-16560-6ISBN 978-90-04-16560-1, Introduction, p. 1.
Letter 35, Easter Synod, 1050. Letters 31–60, Owen J. Blum (Translator), 1990, Catholic University of America Press, ISBN 0-8132-0707-XISBN 978-0-8132-0707-0, p. 61.
«Il Cardinal Borgia, senza alcun diritto, poiché i commendatarii non erano che puri usufruttari, donò il patrimonio dei due monasteri a papa Innocenzo VIII, il quale, a sua volta, con bolla d'unione dell'8 luglio 1491 generosamente li aggregava all'Ospedale Grande e Nuovo di Palermo.»
Benedetto Radice, Memorie storiche di Bronte, Bronte, 1928.
Peter de Roo, 1924, Material for a History of Pope Alexander VI, vol. 5, p. 89, note. 112. (Word frequency and page number of specific words and phrases for all 5 vols. at HathiTrust)
Segons indica la veu de l'Enciclopedia dei Papi, afavorí tant l'elecció de Pau II com la de Sixt IV, cosa que li va permetre la tol·lerància d'ambdós pontífexs
Monsignor Peter de Roo (1924), Material for a History of Pope Alexander VI, His Relatives and His Time, (5 vols.), Bruges, Desclée, De Brouwer, volume 2, p. 29. «Archived copy». Arxivat de l'original el 26 April 2012.[Consulta: 22 desembre 2011].volumes 1–5