Lombard M; Pastoret PP; Moulin AM (2007). »A brief history of vaccines and vaccination«. Rev. - Off. Int. Epizoot. Zv. 26, št. 1. str. 29–48. PMID17633292.
Riedel, Stefan (2005). »Edward Jenner and the history of smallpox and vaccination«. Baylor University Medical Center Proceedings. Zv. 18, št. 1. str. 21–25. PMC1200696. PMID16200144.
ncbi.nlm.nih.gov
Riedel, Stefan (2005). »Edward Jenner and the history of smallpox and vaccination«. Baylor University Medical Center Proceedings. Zv. 18, št. 1. str. 21–25. PMC1200696. PMID16200144.