Contemporary African artists: changing tradition : El Anatsui, Youssouf Bath, Ablade Glover, Tapfuma Gutsa, Rosemary Karuga, Souleymane Keita, Nicholas Mukomberanwa, Henry Munyaradzi, Bruce Onobrakpeya / this catalogue was edited by Louis C. Young ; foreword by Wole Soyinka. New York, N.Y. : The Studio Museum in Harlem, 1990