Clark and Frances Stillman, New York, until 1967; The Museum of Primitive Art, New York, 1967–1978
The Metropolitan Museum of Art. Art of Oceania, Africa, and the Americas from the Museum of Primitive Art. New York: The Metropolitan Museum of Art, 1969, no. 424.
Jordán, Manuel, ed. Chokwe! Art and Initiation among Chokwe and Related Peoples. Munich: Prestel-Verlag, 1998.