*Pg84-85 "major burial sites of those founding locales of ancient Egypt in the fourth millennium BCE, notably El-Badari as well as Naqada, show no demographic indebtedness to the Levant. They reveal instead a population with cranial and dental features with closest parallels to those of other longtime populations of the surrounding areas of northeastern Africa, such as Nubia and the northern Horn of Africa".Ehret, Christopher (20 June 2023). Ancient Africa: A Global History, to 300 CE. Princeton: Princeton University Press. pp. 83–86, 167–169. ISBN978-0-691-24409-9.
Needler 1967, pp. 87–91. Needler, Winifred (1967). "A Rock-drawing on Gebel Sheikh Suliman (near Wadi Halfa) showing a Scorpion and human Figures". Journal of the American Research Center in Egypt. 6. Winona Lake: Eisenbrauns: 87–91. doi:10.2307/40000735. JSTOR40000735.
jstor.org
Needler 1967, pp. 87–91. Needler, Winifred (1967). "A Rock-drawing on Gebel Sheikh Suliman (near Wadi Halfa) showing a Scorpion and human Figures". Journal of the American Research Center in Egypt. 6. Winona Lake: Eisenbrauns: 87–91. doi:10.2307/40000735. JSTOR40000735.
