00542cam a2200181 4500 438154693 TxAuBib 20190925120000.0 200831s2020||||||||||||||||||||||||eng|u 63087 Project Gutenberg PGUSA eng TxAuBib Ridgway, Robert, 1850-1929. Color Standards and Color Nomenclature [Gutenberg] / Robert Ridgway. Project Gutenberg, 2020. Public domain in the USA. Text. http://www.gutenberg.org/ebooks/63087 TXCAN