Private collection, Puglia
Philippe Dejean, Carlo-Rembrandt-Ettore-Jean Bugatti, New York, 1982, p. 53 for a similar example
Bugatti, exh. cat., Cleveland Museum of Art, 1999, pp. 13, 15 for a similar example
Marie-Madeleine Massé, Carlo Bugatti au Musée d'Orsay: Catalogue sommaire illustré du fonds d'archives et des collections, Paris, 2001, pp. 48, 71, 96 for a similar example