1. Aristotle. In: Historia Animalum, Vol. IV, Book VIII, p. 604.
2. Avicenna (980–1037). Canon de Medicine, Book IV, Chap. 6, traité.
3. Studien uber die Wutkrankheit;Babes;Virchows Archiv der Pathologie und Anatomie,1887
4. Oral vaccination of foxes against rabies;Baer;American Journal of Epidemiology,1971
5. Rabbis and Rabies: A Pictorial History of Rabies through the Ages;Baer,1996