^For a contrast with the "Mongolic" or Mongoloid race, see footnote #4 of page 58–59 in Beckwith, Christopher. (2009). Empires of the Silk Road: A History of Central Eurasia from the Bronze Age to the Present. Princeton and Oxford: Princeton University Press. ISBN 978-0-691-13589-2.
^Coon, Carleton Stevens. The Races of Europe. New York: The Macmillan Company. 1939: 400–401. "This third racial zone stretches from Spain across the Straits of Gibraltar to Morocco, and thence along the southern Mediterranean shores into Arabia, East Africa, Mesopotamia, and the Persian highlands; and across Afghanistan into India[...] The Mediterranean racial zone stretches unbroken from Spain across the Straits of Gibraltar to Morocco, and thence eastward to India[...] A branch of it extends far southward on both sides of the Red Sea into southern Arabia, the Ethiopian highlands, and the Horn of Africa."
^Reinhard, K.J., & Hastings, D. (Annual 2003) Learning from the ancestors: the value of skeletal study.(study of ancestors of Omaha Tribe of Nebraska). In American Journal of Physical Anthropology, p177(1).
^"New Phylogenetic Relationships for Y-chromosome Haplogroup I: Reappraising its Phylogeography and Prehistory," Rethinking the Human Evolution, Mellars P, Boyle K, Bar-Yosef O, Stringer C, Eds. McDonald Institute for Archaeological Research, Cambridge, UK, 2007, pp. 33–42 by Underhill PA, Myres NM, Rootsi S, Chow CT, Lin AA, Otillar RP, King R, Zhivotovsky LA, Balanovsky O, Pshenichnov A, Ritchie KH, Cavalli-Sforza LL, Kivisild T, Villems R, Woodward SR