(Probably) 1815 inventory of Chesterfield House, MS, London, Public Records Office, C112/186 (published in F. Russell, The Burlington Magazine, CXXX, 1988, pp. 629-30), 'Red Room of Breakfast Room', no. 44, 'His own Portrait by Raphael'.
L. Pagnotta, Giuliano Bugiardini, Milan, 1987, pp. 58, 197, 216-7, no. 58, figs. 58-58a, as Bugiardini.
C. Gould, 'A Major Attribution to the Young Raphael', Artibus et historiae, 11, no. 23, 1991, pp. 95-101, fig. 1, as Raphael.
L. Pagnotta, 'Due dipinti e un disegno di Giuliano Bugiardini', Antichità viva, 31, no. 2, March-April 1992, p. 11, as Bugiardini.
J. Meyer zur Capellen, Raphael: The Paintings, III, The Roman Portraits, ca. 1508-1520, Landshut, 2008, no. X24, illustrated, as Bugiardini.