United States, 39.76, -98.5United States, Georgia, Fulton County, Atlanta, 33.749, -84.38798Wise, Ruby Beatrice1935-06application/pdfenghttp://rightsstatements.org/vocab/InC-EDU/1.0/Atlanta University and Clark Atlanta University Theses and DissertationsDissertations, AcademicA study of color blindness in a group of two hundred fifty nine Negro school children with the Ishihara color-blindness test, 1935Text