1. Margaret Alic, Hypathia’s Heritage—A History of Women in Science from Antiquity to the Late Nineteenth Century, The Women’s Press, London, 1990, pp. 12–13
2. Metal salts that bind the dye to the fibers, giving them different colors depending on the nature of the metal.
3. P. Loyson, “Chemistry in the time of the pharaohs”, J. Chem. Educ., 88 (2011) 146–150
4. Charles S. Sell (Ed.), The Chemistry of Fragances—From Perfumer to Consumer, RSC Publishing, Cambridge, 2006, pp. 4–5
5. Martin Levey, Chemistry and Chemical Technology in Ancient Mesopotamia, Elsevier, Amsterdam, 1959, pp. 142–144