Color-blindness : its dangers and its detection (1879)
Jeffries B. Joy (Benjamin Joy), 1833-1915, Royal College of Physicians of Edinburgh · London : Boston · leaf 11
COLOR-BLINDNESS : ITS DANGERS AND ITS DETECTION. BY B. JOY JEFFRIES, A.M., M.D., (HARVARD,) Fellow of the Massnchuaetts Medical Society; Ophthalmic Surgeon Massachueetts Charitable Eye and Ear Infirmary, Carney Hospital, and New-England HoEpital for Women and Children ; Member of the International… … BOSTON : HOUGHTON, OSGOOD AND COMPANY. 1879. LONDON ■ TRUBNER & CO.
Color Vision Defects
Internet Archive · Royal College of Physicians in Edinburgh · Public domain (published before 1931). Free to use for anything.
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