N. Ponente Mastroianni, Rome, 1963, Fig. 39 (detail illustrated; as Maschera and dated 1959).
S. Quasimodo, Il Ritratto, Biella, 1964.
G.C. Argan, Mastroianni, 1971, (as Bronzo and dated 1959).
E. Steingraber, Mastroianni, Turin, 1974.
Turin, Art Ancien Gallery.
New York, Kleeman Galleries, Umberto Mastroianni, January-February, 1960, no. 9 (illustrated).
Washington, D.C., The Hirshhorn Museum and Sculpture Garden, Art from Italy; A Selection from the Museum's Collection, January-April, 1984, no. 28.