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  1. NLM Digital Collections - Index-catalogue of the Library of the Surgeon General's Office, United States Army (Series 4, ... 
    Publication: Washington : U.S. G.P.O., 1936-1948
    resource.nlm.nih.gov/8104688X10
    ... also subheadings (Mental test; Psy- chology) also Mental deficiency, Diagnosis. Shrtjbsall, F. C, & Williams, A. C. Mental deficiency ... Intelligence, low; Intelligence quo- tient; Intelligence test; Mental deficiency, Diagnosis. Berry, R. J. A., & Porteus, S. D. Intelli- gence ...