Ezra, Kate. Royal Art of Benin: The Perls Collection in the Metropolitan Museum of Art. New York: The Metropolitan Museum of Art, 1992, pp. 258–259, no. 125.
"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 Fig. 125