P.S. Wingert, The Sculpture of William Zorach, New York, 1938, pp. 19, 59, 71.
Bernard Danenberg Galleries, Sculpture by William Zorach (1887-1966), exhibition checklist, New York, 1970, p. 39, no. 8, larger version illustrated.
R.K. Tarbell, Catalogue Raisonné of William Zorach's Carved Sculpture, Ph.D. disseration, University of Delaware, 1976, pp. 317-19.