A. Haskell, The Sculptor Speaks, Jacob Epstein to Arnold Haskell. A Series of converstaions on Art, London, 1931, p. 190.
L. B. Powell, Jacob Epstein,hapman and Hall, 1932, another cast illustrated.
R. Black, The Art of Jacob Epstein, New York, 1942, p. 238, pl.161.
R. Buckle, Jacob Epstein Sculpture, London, 1963, pl 172, pl. 260. E. Silber, The Sculpture of Epstein, Oxford, 1986, p. 168, no. 203, another cast illustrated.