Ezra Pound, “Brancusi,” The Little Review , vol. VIII, no. 1, Autumn 1921, pls. 17 and 24, illustrations of another cast
“Brancusi,” This Quarter , vol. I, no. 1, Paris, Spring 1925, pl. 27, illustration of another cast
Carl Einstein, Die Kunst des 20. Jahrhunderts , Berlin, 1926 pl. 525, illustration of another cast
Carl Einstein, Die Kunst des 20. Jahrhunderts , Berlin, 1931, pl. 618, illustration of another cast
G. Paleolog, C. Brancusi , Bucharest, 1947, p. 39, illustration of another cast
Robert Payne, “Constantin Brancusi,” World Review ¸ vol. 8, London, October 1949, p. 64, illustration of another cast
Ionel Jianou, Brancusi , New York, 1963, pl. 46, illustration of another cast
Sidney Geist, Brancusi: A Study of the Sculpture , New York, 1968, p. 69, illustrations of other casts
Athena T. Spear, Brancusi's Birds , New York, 1969, pls. 13 and 14, illustrations of other casts
Exh. Cat., New York, The Solomon R. Guggenheim Museum; Philadelphia Museum of Art; Art Institute of Chicago, Constantin Brancusi 1876-1957, A Retrospective Exhibition , 1969, p. 95, illustration of another cast
Sidney Geist, “The Birds. A Critique of the Catalog of a Recent Brancusi Monograph,” Artforum , November 1970
Sidney Geist, Brancusi: The Sculpture and Drawings , New York, 1975, p. 91, illustration of another cast
Exh. Cat., Paris, Centre Pompidou, Brancusi Photographe , 1977, pls. 15 and 27, illustrations of another cast in photographs of the artist's studio
Ionel Jianou, Brancusi , Paris, 1982, no. 151, p. 109, listed; pl. 46, illustration of another cast
Pontus Hulten, Natalia Dumitresco and Alexandre Istrati, Brancusi , Paris and Stuttgart, 1986, no. 108d, no. T1, p. 294, listed and illustration of another cast
Radu Varia, Brancusi , New York, 1986, pp. 233-35, illustrations in color of another cast; p. 45, illustration of another cast in an exhibition photograph
Eric Shanes, Constantin Brancusi , New York, 1989, p. 36, illustration in color of another cast
Paris, Didier Imbert Fine Art, Brancusi: Photo , 1991, n.p., fig. 4, illustration of another cast
Margherita Andreotti, “Brancusi's Golden Bird: A New Species of Modern Sculpture,” Art Institute of Chicago Museum Studies , vol. 19, no. 2, 1993, illustration of another cast on the cover and pp. 135, 137, 140, and 143; pp. 144, 145, 147, 152 and n.p, illustration of another cast in photographs of the artist's studio and of exhibitions
Dan Grigorescu, Brancusi and his Century , Bucharest, 1994, p. 28; pl 49, illustration of another cast
Sanda Miller, Constantin Brancusi, A Survey of His Work , Oxford, 1995, p. 152, illustration of another cast
Exh. Cat., Paris, Centre Pompidou and Philadelphia Museum of Art, Constantin Brancusi, 1876-1957 , 1995, pp. 172-73, illustrations of another cast
Exh. Cat., Paris, Centre Pompidou, L'Atelier Brancusi , 1997, p. 192, illustration of another cast in an exhibition photograph
Arthur C. Danto, The Madonna of the Future: Essays in a Pluralistic Art World , New York, 2000, pp. 182 and 184
Friedrich Teja Bach, Constantin Brancusi. Metamorphosen plastischer Form , Cologne, 2004, p. 397, listed; pp. 456-57, illustrations of other casts
Exh. Cat., Venice, Peggy Guggenheim Collection, Brancusi: The White Work , 2005, p. 113, illustration of another cast in a photograph by the artist
Jérôme Neutres, Brancusi New York, 1913-2013 , New York, 2013, pp. 54-55, illustration of another cast in a photograph of the artist's studio