1. “Information Bulletin #6” (1969). International Center of Information on Antibiotics. Editor, L. Delcambe, Etud' Imprim, Liege. (See entries for individual antibiotics)
2. “Information Bulletin #7” (1970). International Center for Antibiotics. Editor, L. Delcambe, Etud'Imprim, Liege. (See entries for individual antibiotics)
3. The. Merck Index,1976
4. Index of Antibiotics from Actinomycetes,1967