ANCIENT AFRICAN CIVILILZATIONS OF AMERICA -- THE OLMECS
Lecture by Ivan Van Sertima

ANCIENT AFRICAN CIVILIZATIONS OF AMERICA and AFRICAN ANCIENT/MODERN SCIENCE

more great references:

SEXYAFRICANAMERICANBOOKSCULTURE

BLACKMALEPOWERMOVEMENT

ANCIENT BLACKS OF AMERICA BEFORE COLUMBUS

PURE BLACK AFRICAN-AMERICAN

A HISTORY OF THE AFRICAN-OLMECS