A survey of the length-height cranial index in diverse racial types of the Hominidae. Craniometric studies . No. 13v. 13No. 1Wiley-Blackwell139–153
Cameron, John. 1929. "A survey of the length-height cranial index in diverse racial types of the Hominidae. Craniometric studies . No. 13." American Journal of Physical Anthropology, 13, (1) 139–153.