Ridgway, Robert Associated date(s): 1850-1929 A nomenclature of colors for naturalists Ridgway, Robert Little, Brown, and Company 1886 Read more about A nomenclature of colors for naturalists A nomenclature of colors for naturalists Ridgway, Robert Little, Brown, and Company 1886 Read more about A nomenclature of colors for naturalists Color standards and color nomenclature Ridgway, Robert The author 1912 Read more about Color standards and color nomenclature Color standards and color nomenclature Ridgway, Robert Published by the author 1912 Read more about Color standards and color nomenclature
Associated date(s): 1850-1929 A nomenclature of colors for naturalists Ridgway, Robert Little, Brown, and Company 1886 Read more about A nomenclature of colors for naturalists A nomenclature of colors for naturalists Ridgway, Robert Little, Brown, and Company 1886 Read more about A nomenclature of colors for naturalists Color standards and color nomenclature Ridgway, Robert The author 1912 Read more about Color standards and color nomenclature Color standards and color nomenclature Ridgway, Robert Published by the author 1912 Read more about Color standards and color nomenclature