G. Gronau, 'Ein Bildentwurf von Filippino Lippi', in Zeitschrift für bildende Kunst 60, 1926/7, pp. 22-4, as 'Filippino Lippi'.
A. Scharf, Filippino Lippi, Vienna, 1935, pp. 107-8, under 28b.
K. Neilson, Filippino Lippi: A Critical Study, Cambridge, 1938, pp. 180-1.
J. Nelson, The Later Works of Filippino Lippi from his Roman Sojourn until his death (ca. 1489-1504), PhD dissertation, Institute of Fine Arts, New York University, New York, 1992, p. 315.
P. Zambrano and J.K. Nelson, Filippino Lippi, Milano, 2004, p. 607, no. 65.3, as 'studio of Filippino Lippi'.