Walter Tarnof, Berlin; Empress Frederick (British, London 1840–1901 Friedrichshof), Kronberg; Princess Margaret of Prussia ; Landgravin of Hesse, Friedrichstal, Germany; Irwin Untermyer, New York (until 1964)
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Barnet, Peter, and Pete Dandridge, ed. Lions, Dragons, & Other Beasts: Aquamanilia of the Middle Ages, Vessels for Church and Table. New York: Bard Graduate Center for Studies in the Decorative Arts, Design, and Culture, 2006. no. 51, p. 188.
Wixom, William D. "Medieval Art." In The Ronald S. Lauder Collection: Selections from the 3rd century BC to the 20th century, Germany, Austria, and France. New York: Neue Galerie, 2011. p. 50.