Exh. Cat., Philadelphia, Institute of Contemporary Art, University of Pennsylvania, Voltron, 1964, p. 67, illustrated; Cleve Gray, ed., David Smith by David Smith, New York, 1968, p. 145 (the Voltri-Bolton sculpture group, including Voltri-Bolton II, in the snow outside the artist's studio); Exh. Cat., American Federation of the Arts (organizer), Dan Budnik: the Terminal Iron Works, Photographs of His Friend David Smith 1962/63, New York, 1974, p. 9 (in the fields at Bolton Landing); Rosalind E. Krauss, The Sculpture of David Smith, a Catalogue Raisonné, New York and London, 1977, cat. no. 586, fig. no. 586, illustrated; Exh. Cat., Düsseldorf, Kunstsammlung Nordrhein-Westfalen, David Smith: Skulpture, Zeichnungen, 1986, p. 150, illustrated (in the sculpture fields at Bolton Landing) ; Exh. Cat., Valencia, IVAM, Centre Julio Gonzalez, David Smith: 1960-1965, 1996, p. 267-268 (the Voltri-Bolton sculpture group, including Voltri-Bolton II, in the snow outside the artist's studio); Exh. Cat., New York, Matthew Marks Gallery, David Smith: Photographs 1931-1965, 1998, pl. 79, illustrated (Voltri-Bolton sculpture group, including Voltri-Bolton II, at Bolton Landing); Exh. Cat., Mountainville, Storm King Art Center, The Fields of David Smith, 1999, pp. 27 and 62 , illustrated (in the sculpture fields at Bolton Landing); Exh. Cat., Dallas, Nasher Sculpture Center, David Smith: Drawing + Sculpting, 2005, p. 20, illustrated in color (in the sculpture fields at Bolton Landing, 1963); Exh. Cat., Tucson, Museum of Contemporary Art, Dan Budnik: David Smith at Work, 2005, p. 42, illustrated (photo of David Smith with Voltri-Bolton II); Exh. Cat., New York, The Solomon R. Guggenheim Museum, David Smith: a Centennial, 2006, p. 5, illustrated (Voltri-Bolton II in the sculpture fields at Bolton Landing, 1967), p. 45, illustrated (Voltri-Bolton II in the sculpture fields at Bolton Landing, ca. 1963), p. 57, illustrated in color (Voltri-Bolton II in the sculpture fields at Bolton Landing, 1963) and p. 411 (Smith in his drawing studio at Bolton Landing with Voltri-Bolton II, 1963) ; Exh. Cat., Paris, Centre Pompidou, Musée national d'art moderne, David Smith: Sculptures 1933-1964, 2006, p. 48 (Voltri-Bolton II in the sculpture fields at Bolton Landing, 1965), p. 225 (the Voltri-Bolton sculpture group, including Voltri-Bolton II, in the snow outside the artist's studio) and p. 283 (Smith in his drawing studio at Bolton Landing with Voltri-Bolton II, 1963) ; Exh. Cat., New York, Gagosian Gallery, David Smith: Personage, 2006, p. 86, illustrated (the Voltri-Bolton sculpture group, including Voltri-Bolton II, in the snow outside the artist's studio); Exh. Cat., Los Angeles, Los Angeles County Museum of Art, David Smith: Cubes and Anarchy, 2011, pp. 163 - 164 (the Voltri-Bolton sculpture group, including Voltri-Bolton II, in the snow outside the artist's studio)