Carré, L. Guide to Old French plate, 1931, p.208, (mark 2 illus.); pp. 187, 207 (anvil mark described and illustrated)Another one (same as Sotheby 1971?) seen at Macklowe Gallery July 1979Janson, Dora Jane. From Slave to Siren, Duke University Museum of Art, 1971, cat. 164 and plate 15 (another example lent by Gladys Koch; same coloring; says third example acquired 1901 by Kunstgewerbe-museum, Berlin; called c. 1900 and representative of Lalique's style as seen in 1900 Exposition).Various properties, sale catalogue, Parke-Bernet, New York, April 24, 1971, lot 131. in color and title page (another example, same color scheme; sold for $2000).