This book argues that many instances of the contributions of black people had been left out of the history books, and gives many examples

A study of the civilizations of the Zuni Indians, the natives of Dobu, and the Kwakiutl Indians.

First published in 1926, Drusilla Dunjee Houston (a self-taught historian), describes the origin of civilization and establishes links among the ancient Black populations in Arabia, Persia, Babylonia, and India.