1. “The Normal Picture of the Fundus Oculi in the Horse”;Ammann;Berl. Munch. Tieraztl. Wschr.,1968
2. “A Contribution to the Study of Abnormal Colouring of the Fundus in Horses”;Andrasic;Zbl. Vet. Med.,1963
3. “Retinal Atrophy”;Barnett;Vet. Rec.,1965
4. “Some Aspects of Ocular Disease in the Horse”;Formston;Proc. B.E.V.A.,1964
5. “Variations in the Normal Equine Eye”;Gelatt;Vet. Med.,1970