Singleton, J. (2000). "From bacteriology to biochemistry: Albert Jan Kluyver and Chester Werkman at Iowa State". Journal of the History of Biology. 33 (1): 141–180. doi:10.1023/A:1004775817881. PMID11624416. S2CID25720004.
Theunissen, B. (1996). "The beginnings of the "Delft tradition" revisited: Martinus W. Beijerinck and the genetics of microorganisms". Journal of the History of Biology. 29 (2): 197–228. doi:10.1007/BF00571082. PMID11613330. S2CID45109075.
Singleton, J. (2000). "From bacteriology to biochemistry: Albert Jan Kluyver and Chester Werkman at Iowa State". Journal of the History of Biology. 33 (1): 141–180. doi:10.1023/A:1004775817881. PMID11624416. S2CID25720004.
Theunissen, B. (1996). "The beginnings of the "Delft tradition" revisited: Martinus W. Beijerinck and the genetics of microorganisms". Journal of the History of Biology. 29 (2): 197–228. doi:10.1007/BF00571082. PMID11613330. S2CID45109075.
Singleton, J. (2000). "From bacteriology to biochemistry: Albert Jan Kluyver and Chester Werkman at Iowa State". Journal of the History of Biology. 33 (1): 141–180. doi:10.1023/A:1004775817881. PMID11624416. S2CID25720004.
Theunissen, B. (1996). "The beginnings of the "Delft tradition" revisited: Martinus W. Beijerinck and the genetics of microorganisms". Journal of the History of Biology. 29 (2): 197–228. doi:10.1007/BF00571082. PMID11613330. S2CID45109075.