1. A dissertation on light and vision: defended before the Medical Society of Philadelphia, in the year 1809 Author(s): Smith, Robert H. Publication: Cincinnati : Printed by John W. Browne & Co. ..., 1812 Subject(s): LightVision, OcularOcular Physiological Phenomena
2. Observations on vision Author(s): Joslin, Benjamin F. (Benjamin Franklin), 1796-1861 Publication: Philadelphia : Printed by Joseph R.A. Skerrett, 1831 Subject(s): Vision, OcularOcular Physiological PhenomenaRetinal Diseases -- physiopathology