A 1906 technical manual on the chemistry and application of dyes for textile fibres, by Professor J. J. Hummel, in a new and revised edition edited by Paul N. Hasluck. Chapters cover indigo, logwood, natural red and yellow dyes, aniline, quinoline and phenol, azo and anthracene colouring matters (including Alizarin and Turkey-red dyeing), mineral colours such as chrome yellow and Prussian blue, planning dyeing experiments, and assessing the value of dyes. It gives recipes and mordanting methods for cotton, wool and silk, with engravings of dyeing vats and machinery and many chemical structural formulas. It includes an index and publisher's series advertisements.

The Encyclopaedia Britannica (11th ed.) article on dyeing, covering the history of the art from prehistoric times through the coal-tar dye discoveries of the 19th century. It classifies dyestuffs by method of application (acid, direct, developed, mordant, and miscellaneous colours such as indigo, aniline black and catechu) and describes dyebath procedures for wool, silk and cotton. It also covers natural dyestuffs such as madder and the dyeing machinery for loose fibre, yarn, cops and piece goods, illustrated with a vat, a cop-dyeing machine and a jigger. It ends with a bibliography of dyeing literature.