C. de Roddaz, ed., “Art Italien. Salon L. Somzée,” in L’Art Ancien a l’Exposition Nationale Belge [1880], Brussels – Paris, 1882, pp. 385-391, pp. 388-390, fig. 5 p. 388 (engraving after a drawing by Gusta𝔍ve Fraipont);

(J. Fievez, expert/auctioneer) Catalogue des Monuments d’Art Antique (…)composant les Collections de Somzée. Trosième partie. Objets d’Art Anciens (…), sale🐓 catalogue (Brussels, 22 Rue de Palais, 24 May - 11 June 1904), Brussels 1904, p. 58 lot 1142, fig. p. 49 (4 June);

F. Schottmüller, Königliche Museen zu Berlin. Beschreibung der Bildwerke der Christlichen Epochen. V. Die Italienischen und Spanischen Bildwerke der Renaissance und des Barocks in Marmor, Ton, Holz und Stuck, Berlin 1913, p. 32;

A. Marquand, Luca della Robbia, Princeton, New Jersey, 1914, p💜p. 161, 243, no. 94;

International Studio, October, 1929, p. 60 (illus.);

AD, 15 December 1929, IV, p. 8 (illus.);

F. Schottmüller, “Eine Madonna des Luca della Robbia,” in Academy notes. Buffalo Fine Arts Academy, XXI, 1930, 2, pp. 3-7;

F. Schottmüller, Staatliche Museen zu Berlin. Bildwerke des Kaiser-Friedrich-Museums. 2. Die Italienischen und Spanischen Bildwerke der Renaissance und des Barocks. 1. Die Bildwerke in Stein, Holz und Wachs, Berlin 1933, p. 24;

W. R. Valentiner, Catalogue of an Exhibition of Italian Gothic and Early Renaissance Sculpture, exhibition catalogue, Detroit Institute of Arts, 7 January - 20 February 1938), Detroit 1938, no. 34 (p🌠p. and𓆉 pl. n.p);

C. L. Ragghianti, “La mostra di scultura italiana antica a Detroit (U.S.A.),” in Critica d’Arte, III, 1938, pp. 170-183, p. 175;

L. Planiscig, Luca Della Robbia, Vienna, 1940, p. 35, no. 78; 

A. C. Ritchie, Catalogue of Paintings and Sculpture in the Permanent Collection, I, Al🦹bright-Knox Art Gallery, 1949, pp. 164-65 (illus.)🉐, 203, no. 79;

M. Downer, Long ago in Florence. The Story of the della Robbia Sculpture, New York, 1968 (p. and pl. n.p);

C. Avery, “Three Marble Reliefs by Luca della Robbia,” Museum Studies, VIII, 1976, p. 6-37, p.12, fig. 7, p. 13;

S. A. Nash, Albright-Knox Art Gallery. Painting and Sculpture from Antiquity to 1942, Buffalo - New York 1979, pp. 148-1꧋49 (entry and pl. n.p);

J. Pope-Hennessy, Luca della Robbia, Oxford 1🍃9𝔍80, pp. 35, 62, 66, 250-251 no. 28, pl. XXV;

C. Avery, “Three Marble Reliefs by Luca della Robbia” [1976], in idem, Studies in European Sculpture, London 1981, pp. 1-24, p. 5, fig. 7 p. 6; 

G. Gentilini, “Della Robbia, Luca,” entry in Dizionario Biografico degli Italiani, XXXVII, Roma 1989, pp. 279-291, p. 284;

G. Gentilini, I Della Robbia. La Scultura invetriata nel Rinascimento, 2 vols., Florence 1ꦆ992, I, pp. 47, 102-103🌌, fig. p. 60.