Literature
L.D. Sanchez, Jean-Michel Frank, Paris, 1980, p. 200 for an illustration of another cast;
F. Francisci, Diego Giacometti, Paris, 1986, vol. 1, p. 115 for an illustration of another cast;
C. Boutonnet and R. Ortiz, Diego Giacometti, Paris, 2003, p. 42 for an illustration of another cast.