P. Daix and G. Boudaille, Picasso: The Blue and Rose Periods, A Catalogue Raisonné, 1900-1906, London, 1967, p. 120, no. II.6 (illustrated; titled Bullfight and with incorrect medium).
C. Zervos, Pablo Picasso, Paris, 1969, vol. 21, no. 148 (illustrated, pl. 58; with incorrect medium).
A. Davis, "Sutton Place Townhouse: Italian Designer Blends Fine Art and Décor" in Architectural Digest, December 1977, pp. 38-47 (illustrated in color in situ in Drue Heinz's home, p. 39).
J. Palau i Fabre, Picasso: The Early Years, 1881-1907, New York, 1981, pp. 194 and 530, no. 452 (illustrated, p. 194; titled The Open Bull-pen and with incorrect medium).
F. Rodari, Un dimanche avec Picasso, Geneva, 1991, p. 42 (illustrated in color).
E. Vallès, Picasso i Rusiñol: La cruïa de la modernitat, Barcelona, 2008, p. 197 (illustrated in color, p. 150, fig. 104; with incorrect medium).
L. Folgarait, Painting 1909: Pablo Picasso, Gertrude Stein, Henri Bergson, Comics, Albert Einstein, and Anarchy, London, 2017, p. 155 (illustrated, fig. 57; with incorrect medium).