'Il nuovo Albergo “Parco dei Principi” in Roma', Domus, no. 425, April 1965, p. 54 Ugo La Pietra, ed., Gio Ponti: L'arte si innamora dell'industria, New York, 2009, pp. 365-66 for a similar example
Set of six bar stools, designed for the Hotel Parco dei Principi, Rome
circa 1964 Walnut, fabric, brass. Each: 80.1 x 42 x 42 cm (31 1/2 x 16 1/2 x 16 1/2 in.) Manufactured by Cassina, Meda, Italy. Four with manufacturer's label Figli/di Amedeo/Cassina/20036 Meda (Milano) Italy.