Diagnosis from the eye, a new art of diagnosing with perfect certainty from the iris of the eye the normal and abnormal conditions of the organism in general and of the different organs in particular; a scientific essay for the public and medical profession R Medicine
Memoir of Isaac Ray, M.D., LL. D. : read before the College of Physicians of Philadelphia, July 6, 1881 R Medicine
Praktikum der klinischen chemischen, mikroskopischen und bakteriologischen Untersuchungsmethoden R Medicine