1. USAN and the USP Dictionary of Drug Names,1980
2. The Merck Index,1976
3. Medicinal Chemistry;Burger,1970
4. “Isolation and Identifi'cation of Drugs,”;Clarke,1969
5. “Purity Profiles for Heroin, Morphine, and Morphine Hydrochloride,”;Hays Grady;J. Pharm. Sci.,1973