1. Handbook of US Colorants For Foods, Drugs, and Cosmetics;MARMION,1984
2. Historical Development of Food Coloration;WALFORD,1980
3. A Treatise on Adulteration of Food;ACCUM,1820
4. Handbook of US Colorants For Foods, Drugs and Cosmetics;MARMION,1991
5. FD&C Colorants;FRANCIS,1999