Literature
C. Zervos, Pablo Picasso, Paris, 1932, vol. I (Oeuvres de 1895 à 1906), no. 322 (another cast illustrated, pl. 148)
U.E. Johnson, Ambroise Vollard Editeur, New York, 1944, p. 144, no. 124
D.-H. Kahnweiler, Les Sculptures de Picasso, Paris, 1948, pl. 2 (another cast illustrated)
G.C. Argan, Sculptura di Picasso, Venice, 1953, pl. IV (another cast illustrated)
W. Boeck and J. Sabartés, Picasso, New York, 1955, p. 460, no. 32 (another cast illustrated)
R. Penrose, Picasso, Amsterdam, 1961, pl. 2 (another cast illustrated)
R. Penrose, The Sculpture of Picasso, New York, 1967, pp. 17, 26, 41 and 221 (another cast illustrated, p. 52)
P. Lecaldano, L'opera completa di Picasso blu e rosa, Milan, 1968, p. 101, no. 175a (another cast illustrated)
W. Spies, Sculpture by Picasso, New York, 1971, p. 301, no. 4 (another cast illustrated, p. 35)
F. Elgar and R. Maillard, Picasso, New York, 1972, p. 35 (another cast illustrated)
J. Leymarie, Picasso: The Artist of the Century, Lausanne, 1972, p. 26 (another cast illustrated)
P. Daix, La vie de Pablo Picasso, Paris, 1977, no. 109 (another cast illustrated, pl. 16)
U.E. Johnson, Ambroise Vollard Editeur, New York, 1977, p. 41 (another cast illustrated, p. 88)
H.L.C. Jaffé, Pablo Picasso, New York, 1980, p. 14 (another cast illustrated, fig. 9)
W. Spies, Picasso: das Plastische Werk, Berlin, 1983, p. 372, no. 4 (another cast illustrated, p. 326)
J. Richardson, A Life of Picasso, New York, 1991, vol. I (1881-1906), p. 348 (another cast illustrated)
C.-P. Warncke, Pablo Picasso, Cologne, 1994, vol. I (The Works 1890-1936), p. 132 (another cast illustrated)