Answers are grounded in this paper and cite their sources.
HOWARD A. KNOX; TESTS FOR MENTAL DEFECTS: How the Public Health Service Prevents Contamination of Our Racial Stock by Turning Back Feeble-Minded Immigrants—Gene
No takes yet. Share an insight, caveat, or question.
Howard A. Knox (1914) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: