Biometrics Branch, NINDB: Annual Tabulations of the Model Reporting Area for Blindness Statistics: 1964 Statistical Report. (PHS Publication No. 1419). Washington, D. C.: Government Printing Office, 1966.
2.
Personal communication from Dr. J. T. Schwartz, Head, Section on Ophthalmic Field and Developmental Research, Epidemiology Branch, National Institute of Neurological Diseases and Blindness, U. S. Public Health Service.
3.
LeydheckerW.: “The Spread of Glaucoma Simplex in the Apparently Healthy Population Not Receiving Ophthalmological Treatment,”Documenta Ophthalmologica, 13: 359–388, 1959.
4.
RogotE., GoldbergI. D., GoldsteinH.: “Survivorship and Causes of Death Among the Blind,”Journal of Chronic Diseases, 19: 179–197, 1966.
5.
U. S. Department of Health, Education and Welfare, Public Health Service, National Center for Health Statistics: Vital Statistics of the United States, 1964. Life Tables, Vol. II—Section 5. Washington, D. C.: Government Printing Office, 1966.
6.
GoldsteinH., HendersonM., GoldbergI. D., BenitezE., and HawkinsC. M.: “Perinatal Factors Associated with Strabismus in Negro Children,”American Journal of Public Health, in press.
7.
KerbyC. E.: “Causes of Blindness in Children of School Age,”Sight Saving Review, 28: 10–21, 1958.
8.
HatfieldE. M.: Causes of Blindness in School Children, Sight Saving Review, 33: 218–233, 1963.