1. Testing for color-blindness Author(s): N. D. Whitney & Co. author. Publication: [Boston, Mass.?] : [publisher not identified], [1880?] Subject(s): Color Vision Defects -- diagnosisColor Perception Tests -- instrumentation
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
