Howard-Jones, Norman (1973). „Was Shibasaburo Kitasato the Co-Discoverer of the Plague Bacillus?”. Perspectives in Biology and Medicine. 16 (Winter): 292—307. PMID4570035. doi:10.1353/pbm.1973.0034.
Howard-Jones, Norman (1973). „Was Shibasaburo Kitasato the Co-Discoverer of the Plague Bacillus?”. Perspectives in Biology and Medicine. 16 (Winter): 292—307. PMID4570035. doi:10.1353/pbm.1973.0034.