A short encyclopedia entry on the American dyestuff industry around 1906. It distinguishes organic and inorganic dyes, noting the growth of artificial indigo, anilin, alizarin and other coal-tar colors alongside continued use of vegetable dyes. It gives statistics on imports of logwood, indigo, madder and cudbear, and on U.S. establishments, workers, output value and raw materials consumed, including logwood, fustic, cutch, yellow oak bark and iron liquor.