Joseph Green Cogswell; Mortimer Leo Schiff; Moore S. Achenbach;

Stanford University Library, Baroque, 1964;  University of California Santa Barbara, University Art Gallery, Regional Styles of Drawing in Italy: 1600-1700, 1977, no. 43 (as Guercino);  Fine Arts Museums of San Francisco, Legion of Honor, Animals Real and Imagined, Nov 21, 1981 - Feb 7, 1982 (as Guercino);  Fine Arts Museums of San Francisco, Legion of Honor, The Horse in Art: Selections from the Permanent Collection, 1985-1986 (as Guercino);  Fine Arts Museums of San Francisco, de Young Museum, Italian Old Master Drawings from the Achenbach Foundation for Graphic Arts, 2 Feb - 24 April 1994 (as Guercino).

Cogswell catalogue, no. 224 (as Guercino); George S. Hellman, Original Drawings by the Old Masters: The Collection formed by Joseph Green Cogswell, 1786-1871, New York: privately published, 1915, no.10 (as Horses for the Villa Aurora [sic] by Guercino); Alfred Moir, Regional Styles of Drawing in Italy, Santa Barbara, 1977, p. 73, no. 43, and repr. on cover (as Guercino, entry by Edward R. Quick).