Gustave Dreyfus [1837-1914], Paris; his estate; purchased 1930 by (Duveen Brothers, Inc., London and New York); purchased 1945 by the Samuel H. Kress Foundation, New York; gift 1957 to NGA.
- Migeon, Gaston. "La collection de M. Gustave Dreyfus, V: Les plaquettes." Les Arts 80 (August 1908): 27, repro. 16, fig. 8, as Un Combat by Bertoldo.
- Ricci, Seymour de. The Gustave Dreyfus Collection. Reliefs and Plaquettes. Oxford, 1931: 66, no. 87, pl. 28, as Italian, about 1480, Horsemen Fighting.
- Renaissance Bronzes: Statuettes, Reliefs and Plaquettes, Medals and Coins from the Kress Collection. Introduction by Perry B. Cott. National Gallery of Art, Washington, 1951: 145, repro. 69, as Italian, about 1480, Horsemen Fighting.
- Pope-Hennessy, John W. Renaissance Bronzes from the Samuel H. Kress Collection: Reliefs, Plaquettes, Statuettes, Utensils and Mortars. London, 1965: 103-104, no. 374, fig. 319, as perhaps Florentine, late fifteenth century(?).