COVARRUBIAS, M.: The Eagle, The Jaguar, and the Serpent, New York, 1954; Larco Hoyle, R.: Checan, Geneva, 1965; Wardwell, A.: Ancient Eskimo Ivories of the Bering Strait, New York, 1986; five Pro Calima journals, 1981-88; two exhibition catalogues of African interest; and six other publications of pre-Columbian interest (16)