Augusta Owen Patterson. "Mario Korbel and His Sculpture." International Studio 84 (July 1926), p. 53, ill.
Albert Ten Eyck Gardner. American Sculpture: A Catalogue of the Collection of The Metropolitan Museum of Art. New York, 1965, p. 145.
Joan M. Marter in American Sculpture in The Metropolitan Museum of Art. Ed. Thayer Tolles. Vol. 2, A Catalogue of Works by Artists Born between 1865 and 1885. New York and New Haven, 2001, pp. 658–59, no. 301, ill.