A. von Solodkoff, A. Fabergé's hardstone figures in Munich Kuntshalle of the Hypo Kulturstiftung, Fabegé, (Munich, 1986), p.86, n.38
F.Birbaum. The History of the House of Fabergé according to the recollections of the senior master craftsmen of the firm Franz Birbaum, published by T.Fabegé and V.Skurlov (St. Petersburg, 1992), p.30
V.Skurlov. Boris Oskarovich Fredman-Cluzel, artist and sculptor of the Fabergé firm, in Fabergé, T.,A.Gorina & V.Skurlov, Fabergé and the St.Petersburg Jewellers, (St.Petersburg, 1997), pp.590, 596 and 598.
Stockholm, National Mauseum, Carl Fabergé, Goldsmith to the Tsar (1997) page 98 no. 22, illustrated.