1. Variations and diseases of the teeth of horses;Colyer;Transactions of the Odontological Society of Great Britain, New Series,1906
2. Die Zahnfachentzundung des Pferdes;Voss,1937
3. Some aspects of equine dental disease;Baker;Equine Vet J,1970
4. Some points in the natural history of alveolar or periodontal disease in the horse, ox and sheep;Harvey;Vet Rec,1920
5. Jablonsky’s Dictionary of Dentistry;Jablonsky,1992