Vasari. Ed. G. C. Sansoni. Firenze, 1878.

Crowe and Cavalcaselle. “History of Painting in Italy.” 1866.

Vermiglioli. “Memorie di Pinturicchio.” Perugia, 1837.

Ehrle and Stevenson. “Gli affreschi del Pinturicchio nell’ Appartamento, Borgia.” 1897.

A. Schmarsow. “Raphael und Pinturicchio in Siena.” Stuttgart, 1880.

A. Schmarsow. “Pinturicchio in Rom.” Stuttgart, 1882.

E. Steinmann. “Pinturicchio,” No. 37, Knackfuss Series. 1898.

B. Berenson. “Central Italian Painters of the Renaissance.” 1897.

Dean Kitchin. “History of Pius II.”

Gregorovius. “History of the City of Rome in the Middle Ages.”