[Sir Jacob Epstein, London]; (Hôtel Drouot, Paris, June 29, 1980, no. 225); Mr. and Mrs. Klaus G. Perls, New York, 1980–1991Court of Benin Objects in the Michael C. Rockefeller Wing, Metropolitan Museum of Art
Ezra, Kate. Royal Art of Benin: The Perls Collection in the Metropolitan Museum of Art. New York: The Metropolitan Museum of Art, 1992, p. 182, nos. 73, 74.
Ross, Doran H. Elephant: The Animal and Its Ivory in African Culture. Los Angeles: Fowler Museum of Cultural History, 1992.
Hôtel Drouot, Paris. 1980. Faiences et porcelaines anciennes; art , Extrême-Orient. Sale catalogue of June 29, 1980: lot 225.
Bassani, Ezio, and Malcolm D. McLeod. Jacob Epstein Collector. Milan: Associazione Poro, 1989, no. 195.
"ROYAL ART OF BENIN. The Perls Collection in The Metropolitan Museum of Art." Kate Ezra. The Metropolitan Museum of Art and Harry N. Abrams Inc., New York 1992, nos. 73, 74