Lewis C. Hind, Augustus Saint-Gaudens, New York, 1908, n.p.
Homer Saint-Gaudens, ed., The Reminiscences of Augustus Saint-Gaudens, New York, 1913, vol. II, pp. 290-91
Buckner Hollingsworth, Augustus Saint-Gaudens, New York, 1948, p. 50, illustration of another example
Albert T.E. Gardner, American Sculpture, New York, 1965, pp. 54-55
John H. Dryfhout, The Work of Augustus Saint-Gaudens, Hanover, New Hampshire, 1982, no. 185, pp. 257-58, illustrations of other examples
Kathryn Greenthal, Augustus Saint-Gaudens: Master Sculptor, Boston, Massachusetts, 1985, pp. 32,175, illustration of another example
John H. Dryfhout, Henry Duffy, Gregory C. Schwarz, et al., Augustus Saint-Gaudens, 1848-1907: A Master of American Sculpture, Boston, Massachusetts, 1999, p. 138, illustration of another example
Thayer Tolles, ed., American Sculpture in The Metropolitan Museum of Art, Vol. I, New York, 1999, no. 137, pp. 321-22, illustration of another example
Thayer Tolles, Augustus Saint-Gaudens in The Metropolitan Museum of Art, New Haven, Connecticut, 2009, fig. 63, p. 53, illustration of another example