A survey of the breadth-height index in diverse racial types of the Hominidae. Craniometric studies. No. 19v. 13No. 1Wiley-Blackwell154–170
Cameron, John. 1929. "A survey of the breadth-height index in diverse racial types of the Hominidae. Craniometric studies. No. 19." American Journal of Physical Anthropology, 13, (1) 154–170.