Literature
I. Goll, Archipenko, New York 1920 (marble version illustrated p. 2).
I. Goll, T. Daubler & B. Cendrars, Archipenko Album, Potsdam 1921, no. 1 (another cast illustrated on frontispiece).
H. Hildebrandt, Alexander Archipenko, Berlin 1923, p. 13 (marble version illustrated pl. 20).
A. Elsen, Origins of modern sculpture: Pioneers and Premises, New York 1974, pp. 111-112 (another cast illustrated pl. 132).
K. Janzsky Michaelsen, Archipenko: A Study of the Early Works, 1908-1963, New York 1977, p. 34 (another cast illustrated pl. 49).
D. Karshan, Archipenko Sculpture, Drawings and Prints 1908-1963, Danville, Kentucky 1985, nos. 26a-c, p. 58 (the variants illustrated pp. 74-75).
A. Barth, Alexander Archipenkos plastisches Oeuvre, Vol. II, Werkverzeichnis, Frankfurt am Main 1997, no. 59, p. 134-137 (the marble version illustrated)