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Helen Comstock, International Studio, January 1928, LXXXXIX, 368, pp. 58-60; Frederick Mason Perkins, Nuovi appunti sulla Galleria delle Belle Arti di Siena, 1929, p. 427; B. Berenson, Italian Pictures of the Renaissance, 1932, p. 313; Raimond van Marle, The development of the Italian Schools of paintings, 1934, vol. II, p. 515; B. Berenson, Italian Pictures of the Renaissance, 1936, p. 269 Sale Catalogue, Richard M. Hurd Collection, Kende Galleries, New York, 29th October 1945, p. 15, no. 4; C. De Benedictis, La Pittura Senese 1330-1370, Florence, 1979, p. 90; Sherwood A. Fehm, Luca di Tomme A Sienese Fourteenth-Century Painter, 1986, p. 97, no. 21;