National Academy of Sciences. (1921). Intelligence of the draft in relation to fitness for military service. In R. M. Yerkes (Ed.), Memoirs of the National Academy of Sciences, Vol. xv: Psychological examining in the United States Army (pp. 785-798). Washington, DC, US: Washington Government Printing Office.
http://dx.doi.org/10.1037/10619-030
Discusses the intelligence of recruits drafted into the US army during World War I in relation to fitness for military services. (PsycINFO Database Record (c) 2016 APA, all rights reserved)