Inscriptions at Djeser-Djeseru, as quoted in "Ancient Records of Egypt: Historical Documents from the Earliest Times to the Persian Conquest" by James Henry Breasted, 1906.
Cheikh Anta Diop, E. Curtis Alexander, Mwalimu Imara Mwadilifu (1984). “Cheikh Anta Diop: an African scientist : an axiomatic overview of his teachings and thoughts”, Eca Assoc