doi:10.7916/d8-t3z1-8y78Memorandum from Eugene L. Horowitz to Gunnar Myrdal and Dorothy Swaine Thomas, "Fortune Survey and the Study of the American Negro," July 29, 1939Horowitz, Eugene L. (Eugene Leonard), 1912-correspondencetextPublic opinion pollsQuestionnaires--DesignRace relations--ResearchDavenport, Russell W. (Russell Wheeler), 1899-1954Roper, Elmo, 1900-1971Johnson, Guy Benton, 1901-1991