Treasures of ancient Nigeria - Eyo, Ekpo (Knopf : distributed by Random House, 1980)
The exhibition held at the Detroit Institute of Arts, Jan. 17-Mar. 16, 1980, the California Palace of the Legion of Honor, San Francisco, Apr. 28-June 29, 1980, the Metropolitan Museum of Art, New York, Aug. 11-Oct. 12, 1980.