doi:10.7916/d8-3mz8-g150Copy of memorandum by Horace R. Cayton regarding January 28, 1939 memorandum from Gunnar Myrdal to Frederick P. KeppelCayton, Horace R. (Horace Roscoe), 1903-1970correspondencetextSocial sciences--Research--PlanningSocial sciences--MethodologyAfrican Americans--ResearchChicago (Ill.)Myrdal, Gunnar, 1898-1987McKenzie, Roderick Duncan, 1885-1940Park, Robert Ezra, 1864-1944Stonequist, Everett V.