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Start Over Authors Jeffries, B. Joy (Benjamin Joy), 1833-1915, author ✖Remove constraint Authors: Jeffries, B. Joy (Benjamin Joy), 1833-1915, author Titles Color-blindness : its dangers and its detection ✖Remove constraint Titles: Color-blindness : its dangers and its detection Publication Year 1879 ✖Remove constraint Publication Year: 1879

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  • Color-blindness : its dangers and its detection1