H. Hildebrandt, intro., Alexander Archipenko, Berlin, 1923, no. 28 (marble version illustrated; dated 1912 and titled Grey Torso).
E. Wiese, Alexander Archipenko, Leipzig, 1923, no. XV (marble version illustrated; dated 1922).
A. Archipenko, Archipenko: Fifty Creative Years, 1908-1958, New York, 1960 (marble version illustrated, pl. 118; dated 1922).
P. Vogt, Das Museum Folkwang Essen, Cologne, 1965, no. 77 (another cast illustrated; dated 1922).
D.H. Karshan, ed., Archipenko: International Visionary, Washington, D.C., 1969, pp. 62 and 114, no. 38 (another cast illustrated, pl. 81).
D.H. Karshan, Archipenko: The Sculpture and Graphic Art, Including a Print Catalogue Raisonné, Tübingen, 1974, p. 99 (marble version illustrated; dated 1922).
W. Schnell, Der Torso als Problem der Modernen Kunst, Berlin, 1980, p. 126 (another cast illustrated, no. 174).
H. Schmoll gen. Eisenwerth and A. Heilmann, Alexander Archipenko: Werke von 1908 bis 1963 aus dem testamentarischen Vermächtnis, Saarbrücken, 1986, vol. I, p. 106, no. 46 (smaller version illustrated, p. 109).
A. Barth, Alexander Archipenkos plastisches oeuvre, Frankfurt, 1997, vol. II, p. 252, no. 128 (another cast illustrated, p. 253).