W. Burger, Trésors d'art exposés à Manchester, Paris, 1857, p. 117, as Velázquez.
C. B. Curtis, Velazquez and Murillo, London, 1883, p. 59, no. 143, as a repetition by Velázquez.
F. Harck, "Berichte und Mittheilungen aus Sammlungen und Museen, über staatliche Kunstpflege und Restaurationen, neue Funde: Aus amerikanischen Galerien", Repertorium für Kunstwissenschaft, XI, 1888, p. 73, as Velázquez.
C. Justi, Diego Velazquez and His Times, London, 1880, p. 326, as a repetition by Velázquez.
M. Marks, "My Note Book", Art Amateur: A Monthly Journal Devoted to Art in the Household, XVIII, December 1887, p. 2, as 'one of [Velázquez's] many portraits of Don Balthazar, the little son of Philip IV'.
E.A. Alexander, "Mr. Henry G. Marquand", Harper's New Monthly Magazine, XCIV, 1894, p. 570, as 'probably the work of his [Velázquez's] son-in-law, Del Mazo, with finishing touches added by Velasquez himself'.
J. Allende-Salazar, Velazquez: Des Meisters Gemälde, Berlin and Leipzig, 1925, p. 196, illustrated.
A. L. Mayer, Velazquez: A Catalogue Raisonné of the Pictures and Drawings, London, 1936, p. 68, no. 288a, as a studio copy after a lost original.
H. Wehle, The Metropolitan Museum of Art: A Catalogue of Italian, Spanish and Byzantine Paintings, New York, 1940, p. 241, no. 89.15.31, illustrated, as after the portrait in the Kunsthistorisches Museum, Vienna.
J. López-Rey, Velázquez: A Catalogue Raisonné of His Oeuvre, London, 1963, p. 231, no. 320, as from the workshop.
J. Camón Aznar, Velázquez, Madrid, 1964, p. 618, illustrated, as possibly by Juan Bautista Martínez del Mazo.
M. A. Asturias, L'opera completa di Velázquez, Milan, 1969, p. 100, under no. 83, fig. 83 C.
M. del Mar Doval Trueba, "Alonso Cano y los retratos del príncipe Baltasar Carlos", Revista de Arte Goya, no. 332, July-September 2010, p. 206, 211, note 26.
E. Quodbach, "Collecting Old Masters for New York: Henry Gurdon Marquand and the Metropolitan Museum of Art", Journal of the Historians of Netherlandish Art, IX, Winter 2017, n.p., note 12.
London, British Institution, Catalogue of pictures by Italian, Spanish, Flemish, Dutch, French and English masters, 1855, no. 151.
Manchester, Art Treasures Exhibition, 5 May 1857-17 October 1857, no. 626, as Velázquez.