Eileen Lane Kinney, Washington, D.C. (gift from the artist circa 1920-1930).
Estate of Eileen Lane Kinney, Washington, D.C.; sale, Sotheby's, New York, 21 May 1981, lot 549.
Acquired from the above sale by the present owner.
C. Zervos, Constantin Brancusi, sculptures, peintures, fresques, dessins, Paris, 1957, p. 34 (marble version illustrated).
I. Jianou, Brancusi, Paris, 1963, p. 96.
A.T. Spear, "A Contribution to Brancusi Chronology," The Art Bulletin, vol. XLVIII (no. 1), March 1966, p. 53, no. 43.
S. Geist, Brancusi, A Study of the Sculpture, New York, 1968, p. 218, no. 63b (illustrated).
B. Brezianu, "Paciurea si Brncusi," Arta, vol. XXI (no. 1), January 1974, no. 21 (another cast illustrated).
S. Geist, Brancusi, The Sculpture and Drawings, New York, 1975, p. 178, no. 79a (illustrated, p. 59).
B. Brezianu, Brancusi in Romania, Bucharest, 1976, no. 26 (illustrated).
S. Geist, "Brancusi + Mondrian: A Sum, A Summa," Artforum, vol. XXI (no. 6), February 1983, no. 79 (another cast illustrated).
P. Hulten, N. Dumitresco and A. Istrati, Brancusi, New York, 1986, pp. 86, 89, 112, 122 and 285, no. 66b (marble version illustrated, p. 285).
F.T. Bach, Constantin Brancusi, Metamorphosen Plastischer Form, Cologne, 1987, pp. 433-434, no. 105a (illustrated, p. 433).
New York, The Solomon R. Guggenheim Museum; Philadelphia, Museum of Art and Chicago, The Art Institute, Constantin Brancusi, 1876-1957: A Retrospective Exhibition, August-October 1969, p. 49 (illustrated).
New York, Sidney Janis Gallery, Brancusi + Mondrian, December 1982-January 1983, no. 1 (illustrated).