出版
F.M. Perkins, Ancora dei dipinti sconosciuti della Scuola Senese, Rassegna d'Arte Senese, 3, 1907, nos. 3-4, pp. 80-81, note 1
R. van Marle, The Development of the Italian Schools of Painting, II, 1924, p. 529
G.H. Edgell, A History of Sienese Painting, 1932, p. 176, fig. 231 F.M. Perkins, Paolo di Giovanni Fei, Allgemeines Lexikon der Bildenden Künstler, ed. U. Thieme and F. Becker, 26, 1932, p. 211
R. van Marle, Le Scuole della Pittura Italiana, Italian translation by A. Buitoni, 2, 1934, p. 581
B. Berenson, Pitture Italiane del Rinascimento, Italian translation by E. Cecchi, 1936, p. 157
M. Meiss, Painting in Florence and Siena after the Black Death, 1951, revised ed. 1964, p. 134, note 7
D.C. Shorr, The Christ Child in Devotional Images in Italy During the XIV Century, 1954, p. 191, note 3
B. Berenson, Italian Pictures of the Renaissance: Central Italian and North Italian Schools, 1968, 1, p. 128
M. Mallory, A Lost Madonna del Latte by Ambrogio Lorenzetti, Art Bulletin, 51, March 1969, no. 1, p. 42, note 14, fig. 11
B. Fredericksen, Catalogue of the Paintings in the J. Paul Getty Museum, 1972, pp. 6-7, no. 6, illustrated
B. Fredericksen, The J. Paul Getty Museum Guidebook, 1975, p. 57
M. Mallory, The Sienese Painter Paolo di Giovanni Fei (c. 1345-1411), Outstanding Dissertations in the Fine Arts, 1976, pp. 42-46, 53, 64-66, 227, no. 1, pl. 10 [originally presented as the author's Ph.D. dissertation, Columbia University, 1965]
M.S. Frinta, The Quest for a Restorer's Shop of Beguiling Invention: Restorations and Forgeries in Italian Panel Painting, Art Bulletin, 58, March 1978, no. 1, pp. 15-16, 23, figs. 14 and 53
La Pittura in Italia: Il Duecento e il Trecento, II, (n.l. 1985, 1986), p. 570