Osono T, Oka Y, Watanabe S, Okami Y, Umezawa H (July 1967). "A new antibiotic, josamyicn. I. Isolation and physico-chemical characteristics". The Journal of Antibiotics. 20 (3): 174–180. PMID6072798.
Umezawa H (1982). "Discovery of josamycin". Giornale Italiano di Chemioterapia. 29 (Suppl 1): 1–10. PMID6765367.