Animal and Vegetable Fixed Oils, Fats, Butters and Waxes
Their preparation and properties and the manufacture therefrom of Candles, Soaps, and other Products.
By C.R. Alder Wright, D.Sc. (Lond), B.Sc. (Vict), F.R.S, LONDON; Charles Griffin & Company, Limited 1894 Out of Copyright, Scanned 2007 for Internet Archives

Edible Fats and Oils
Their Composition, Manufacture, and Analysis
By W. H. Simmons and C. Ainsworth Mitchell
LONDON: Scott, Greenwood & Son 1911 Out of copyright, Scanned 2006 for Internet Archives

Modern Soaps, Candles and Glycerin
A Practical manual of modern methods of utilization of fats and oils in the manufacture of soaps and candles, and of the recovery of glycerin.
By Leebert Lloyd Lamborn
New York: D Van Nostrand Company London: Crosby Lockwood & Son 1918 Out of copyright, Scanned 2006 for Internet Archives