1. A simple method of testing for color-blindness Author(s): Sewall, Henry, 1855-1936, author Publication: [Philadelphia?] : [publisher not identified], [1886?] Subject(s): Color Vision Defects -- diagnosisColor Perception Tests
2. A topical synopsis of lectures on animal physiology. Part I Author(s): Sewall, Henry, 1855-1936, author Publication: Ann Arbor, Michigan : Sheehan & Company, 1882 Subject(s): Physiological Phenomena