REFERENCES
- Hurlin, R. G.: Estimated Prevalence of Blindness in the United States, July 1952. Social Security Bulletin, July 1953.
- Office Of Vocational Rehabilitation: Facts in Brief; Blind at Acceptance Rehabilitated During Fiscal Years 1955–1956. Washington, D.C., United States Department of Health, Education, and Welfare.
- American Foundation For The Blind: Adjustment Centers for the Blind (Findings of the Spring Mill Conference, February 1951).
- Office Of Vocational Rehabilitation: Rehabilitation Centers for Blind Persons (Report of Seminar, February 1956). Washington, D.C., United States Department of Health, Education, and Welfare.
- Ihb Optical Aids Service Survey. Industrial Home for the Blind, Brooklyn, New York, September 1957.
- Office Of Vocational Rehabilitation: Employment of Blind Persons in Federal Government. Director's Letter No. 17, Supp. 5 and 19. Washington, D.C., Department of Health, Education, and Welfare.
- American Foundation For The Blind: Directory of Activities for the Blind in the United States and Canada.