См. Jeffreys M. D. W. Pre-Columbian Maize in Africa // Nature. — N.Y., 1953.-Nov. 21.-No. 4386.-P. 965–966.
129
Ibid.
130
См. Willett F. The Introduction of Maize in to West Africa // Africa. — Durban, 1962.-Vol. 32.-P. 1-13.
131
См. Whitaker T. W. Endemism and pre-Columbian Migration of the Bottle Gourd Lagenaria siceraria // Riley C. L. et al (eds.) Man Across the Sea. — Austin, 1971.—P. 320–327.
