Treasures of ancient Nigeria /
text by Ekpo Eyo and Frank Willett, edited by Rollyn O Krichbaum, photograph by Dirk Bakker, design by Betty Binns.
- New York : A. Colish, 1980.
- xiii, 161 p. : ill., maps, photos.
Photographs not taken by Dirk Bakker were provided by the following people and institutions : Frank Willett, figs. 1,2,6,13,14,17,18,20-37, nos. 66, 93; Thurston Shaw, figs. 4,5,19; Ekpo Eyo, figs. 3, 7-9, 11; British Museum, figs. 10,12; Phillips Stevens, fig. 15; Philip Allison, fig. 16.