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Subjects
Color Perception Tests, Color Vision Defects, Color blindness, Color-blindness, History, MicroscopyPeople
Charles Achilles Spencer (1813-1881), Herbert Ruthven Spencer (1849-1900), Robert B. Tolles (1825 (ca)-1883)ID Numbers
- OLID: OL2357832A
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April 1, 2008 | Created by an anonymous user | initial import |