On a case of blindness from optic neuritis without intracranial disease, in a pedigree bull : several cases, probably of the same kind, in other members of the pedigree. references to other cases of amaurosis in domesticated animals
by E. Nettleship and A.C. Hudson
Harrison, 1913
"Reprinted from the Royal London Ophthalmic Hospital reports, Vol.19, pt.1"