Private collection, Germany
Phillips de Pury & Luxembourg, New York, ’20-21st Century Design’, 11 June 2003, lot 192
Domus (Milan), no. 487, June 1970, p. 39
Giuliana Gramigna, Repertorio 1950/1980, Milan, 1985, p. 339
Fulvio Ferrari and Napoleone Ferrari, Luce: Lampade 1968–1973: il nuovo design italiano, Turin, 2002, pl. 46
Charlotte and Peter Fiell, eds., 1000 Lights, Vol. 2: 1960 to Present, Cologne, 2005, p. 218