Pius II, Commentarii rerum memorabilium, quae temporibus suis contigerunt,(in Latin), (Aubry, 1614), p. 1. Gragg, p. 11. Ivan Cloutas and Vito Castiglione Minischetti, ed., Mémoires d'un Pape de la Renaissance. Les Commentarii de Pie II, Tallandier, 2001, p. 43.
Piccolomini, Aeneas Sylvius Piccolomineus, qui postea Pius II. P. M., De viris illustribus, p. 24.
Aeneas Silvius Piccolomini, "Libellus dialogorum de generalis concilii auctoritate et gestis Basileensium," in Adam F. Kollar, ed., Analecta monumentorum omnis aevi Vindobonensia, vol. 2 (Vienna: Ioannis T. Trattner, 1762), pp. 691–790.
Pius II, Commentarii rerum memorabilium, (Frankfurt: Aubry, 1614), p. 29: "Cumque ambo una Vrbe peterent, uniuersam curiam, & maiorem populi parte extra moenia occurrentem inuenere: affirmantibus cunctis eorum alterum in pontificem maximum electum iri."
Josephus Cugnoni (editor), Aeneae Silvii Piccolomini Senensis... Opera inedita (Roma: Tipi del Salviucci 1883), p. 184 (quoting the Commentarii: "Villelmum Cardinalem Rhotomagensem, sive dolus fuit, sive odium, nemo ea vice elegit."
Ferrante's natural daughter was to marry Pius' nephew Antonio. Pastor, pp. 20, 27-28. Creighton (1902), Historical Essays and Reviews, pp. 87-88.
Pastor III, p. 29. Cesare Baronio, Annales ecclesiastici: A. D. 1-1571 denuo excusi et ad nostra usque tempora perducti ab Augustino Theiner,(in Latin), Volume 29 (Bar-le-Duc: Typis et sumptibus Ludovici Guerin, 1876), pp. 178-179, no. 1.
Pius II, Commentarii rerum memorabilium (1584), p. 176: "Tum preces multorum porrectæ funt: Imperator unum efflagitauit, cui Pontifex cupide annuebat: Rex Franciæ duos: unum rex Aragonum: Ferdinandus rex Siciliæ,& Franciscus Mediolanensis dux plures: dux Sabaudiæ unum: dux Burgundiæ unum: marchio Montis ferrati unum: Florentini & Cosmas unum." Meserve and Simonetta II, pp. 225-231. Pastor III, p. 293.
Chloë Houston, "The Prospect of Conversion in Safayid Iran," in: Lieke Stelling, Harald Hendrix, Todd Richardson (edd), The Turn of the Soul: Representations of Religious Conversion in Early Modern Art and Literature, Boston-Leiden: Brill 2012, pp. 85-108, at pp. 99-100.
Pastor III, pp. 281-282. Cesare Baronio, Annales ecclesiastici: A. D. 1-1571 denuo excusi et ad nostra usque tempora perducti ab Augustino Theiner,(in Latin), Volume 29 (Bar-le-Duc: Typis et sumptibus Ludovici Guerin, 1876), pp. 341-342. Earle and Lowe, Black Africans in Renaissance Europe (2005), p. 281.
One or more of the preceding sentences incorporates text from a publication now in the public domain: Weber, Nicholas (1911). "Pope Pius II". In Herbermann, Charles (ed.). Catholic Encyclopedia. Vol. 12. New York: Robert Appleton Company.