Philadelphia: Institute for the Study of Human Issues, 1977 in-4, 42 pages, illustrations. Agrafé, bon état.
Working papers in the traditional arts. N° 2 & 3. Daniel P. Biebuyck - Symbolism of the Lega stool; D. M. Warren and J. Kweku Andrews - An ethnoscientificapproach to Akan arts and aesthetics. (Philadelphia: Institute for the Study of Human Issues, 1977) [M.C.: Art africain, Congo (R.D.C.), Ghana, Lega, Ashanti]