doi:10.7916/d8-5bp0-h553Letter from Arthur Raper to Gunnar Myrdal, June 1, 1939Raper, Arthur Franklin, 1899-1979correspondencetextSocial sciences--Research--PlanningAfrican Americans--ResearchChapel Hill (N.C.)Johnson, Guy Benton, 1901-1991Chivers, W. R.