1. Some of the inefficiencies of the methods ordinarily employed by railway surgeons for the detection of subnormal color-perception (color-blindness) Author(s): Oliver, Charles A. (Charles Augustus), 1853-1911 author Publication: [St. Louis] : [publisher not identified], [1896] Subject(s): Color Vision Defects -- diagnosisRailroadsEmployment
2. A series of wools for the ready detection of "color blindness" Author(s): Oliver, Charles A. (Charles Augustus), 1853-1911 author Publication: [Hartford?] : [publisher not identified], [1893?] Subject(s): Color Vision Defects -- diagnosisColor Perception Tests -- instrumentationWool
3. A new series of Berlin wools for the scientific detection of subnormal color-perception (color-blindness) Author(s): Oliver, Charles A. (Charles Augustus), 1853-1911 author Publication: [Philadelphia?] : [publisher not identified], [1886?] Subject(s): Color Vision Defects -- diagnosisColor Perception TestsWool
