1. The History and Usage of Paracetamol
2. Symposium on N-Acetyl-p-aminophenol. Institute for the Study of Analgesic and Sedative Drugs, Elkart, IN May 17, 1951.
3. and , The United States Dispensatory, 27th Edn, pp. 2–3. J. B. Lippincott, Co., Philadelphia (1973).
4. and , (eds), The Pharmacological Basis of Therapeutics. 6tth Edn, pp. 701–705. McMillan, New York (1980).