M. Jaffé, Rubens and Giulio, 1958, pp. 326-7, n. 16 (as retouched by Rubens).
R. Kultzen, 'Mitteilungen aus dem Hamburger Kunstsammlungen, XI, 1966, pp. 217-8, fig. 5 (as Anonymous 16th-Century, retouched by Rubens).
M. Jaffé, Rubens and Italy, 1977, pp. 43, 110, n. 29 (as retouched by Rubens).
A. Balis, Niewdorp, Cantoor, 1993, p. 152 (as retouched by Rubens). J. Wood, Copies and Adaptation from Renaissance and Later Italian Artists: Corpus Rubenianum Ludwig Buchard XXVI (2), I, Raphael and his School, Turnhout, 2010, p. 444, no. R23 (as 16th-Century artist after Giulio Romano, retouched by Erasmus Quellinus).