Jacques Lipchitz, 'I Remember Modigliani', Artnews, vol. 49, no. 10, February 1951, pp.26-9, 64-5, p.29 (ill.).

Jacques Lipchitz, Amedeo Modigliani (1884-1920), New York: Harry N. Abrams, 1954, n.p. (ill. pl. 13).

Jeanne Modigliani, Modigliani: Man and Myth, London: André Deutsch, 1959, p.54 (with date as 1914).

Alfred Werner, 'Modigliani as a Sculptor', Art Journal, Winter 1960-61, pp.70-8, p.71 (ill.).

Alfred Werner, Modigliani the Sculptor, London: Peter Owen, 1965 (first published by Golden Griffin, New York, 1962) (ill. pl. 1).

Alfred Werner, Amedeo Modigliani, New York: Harry N. Abrams, 1966, p.22 (ill. fig. 19).

Ambrogio Ceroni, Amedeo Modigliani, Dessins et Sculptures, Milan: Edizioni del Milione, 1965, p.24, cat. no. 11, reproduced no. 54 and no. 55.

Leone Piccioni and Ambrogio Ceroni, I Dipinti di Modigliani, Milan: Rizzoli Editore, 1970, cat. no. 11 (sculpture section), p.108 (ill.).

Jean Lanthemann, Modigliani 1884-1920: Catalogue Raisonné, Barcelona: Graficas Condal, 1970, p.317, cat. no. 636 (ill. with date as 1912).

Carol Mann, Modigliani, London: Thames and Hudson, 1980, pp.74-6, p.75 (ill.).

Edith Balas, 'The Art of Egypt as Modigliani's Stylistic Source', Gazette des Beaux-Arts, vol. 97, no. 6, February 1981, pp.87-94, p.92 (ill.).

'Modigliani gli Anni della Scultura', Vila Maria - Museo Progressivo d'Arte Contemporanea, Livorno, 1984 (exhibition catalogue), cat. no. 11 (ill., with date as 1911-12).

Alan G. Wilkinson, 'Paris and London: Modigliani, Lipchitz, Epstein and Gaudier-Brzeska', in 'Primitivism' in 20th Century Art: Affinity of the Tribal and the Modern, 2 vols (ed. William Rubin), New York: Museum of Modern Art, 1984 (exhibition catalogue), vol. 2, p.422 (ill.).

C. Roy, Modigliani, New York: Rizzoli, 1985, p.61.

Therese Castieu-Barrielle, La Vie et l'Ouvre de Amedeo Modigliani, Paris: Courbevoie, 1987, p.87.

Werner Schmalenbach, Amedeo Modigliani: Paintings, Sculptures, Drawings, Munich: Prestel Verlag, 1990, p.21 (ill.)