1. The incidence and causes ofblindness in England and Wales, 1948-62, Rep;S, I.Sorsby;Public Health Med Subj
2. The incidence and causes ofblindness in England and Wales, 1963-68, Rep;Sorsby, S.;Public Health Med Subj,1972
3. J Ophthalmol, 1983, 67: 209-13.
4. The prevalence of visual handicap in children in England and Wales;Taylor, D.;Child Care, Health and Development,1975
5. Incidence of visual handicap in childhood;Fine, SR,1975