Lawrence Turčić "Cristofano Roncalli in the Sala della Meridiana." The Burlington Magazine. vol. 123, 1981, pp. 614-17, fig. 41 (recto).
Jacob Bean, Lawrence Turčić 15th and 16th Century Italian Drawings in the Metropolitan Museum of Art. The Metropolitan Museum of Art, New York, 1982, pp. 222-23, no. 221, repr.
John Gere, Philip Pouncey, Rosalind Wood Italian Drawings in the Department of Prints and Drawings in The British Museum: [vol 5] Artists Working in Rome c. 1550 to c. 1640. London, 1983, p. 153.