1. History of Medicine;Mettler,1947
2. Medical Illustrations in Medieval Manuscripts;MacKinney,1965
3. An Introduction to the History of Medicine;Garrison,1922
4. The use of micro-organisms for therapeutic purposes;Florey;Yale J Biol Med,1946
5. Of the use of yeast in the treatment of boils;Mosse;Lancet,1852