Stone Ntadi sculpture of Bas-Zaire, March-June 1981 - Benson, Fred; Cornet, Joseph, 1919- (African Sculpture Unlimited, 1981)
"Derived from the Institut des Musées Nationaux du Zaïre 1978 exhibition catalogue 'Pierres sculptées du Bas-Zaïre' by Joseph Cornet, F.S.C. Freely translated with additional material and pictures provided by Dr. Fred Benson."