1. Franceschetti, A., Klein, B., Forni, D., and Babel, J.: Clinical and social aspects of heredity in ophthalmology. Acta. XVI Conc. Ophth. Britannia, 1950, p. 157.
2. Congenital hereditary opacities of the cornea;Komoto;Klin Monatsbl. f. Augenh.,1909
3. Almost complete congenital opacities of both corneas in two children of the same family;Armaignac;Arch. Ophtal.,1911
4. Familial congenital opacities of the cornea;Fischer;Acta Ophth.,1936
5. Hereditary and congenital corneal opacities divised on three generations and involving two monozygotic twins;Turpin;Arch. Ophth.,1939