Proceedings of the 1928 annual conference : New York, N.Y. November 26-28, 1928 co-operating with American Association of Industrial Physicians and Surgeons, American Association of School Physicians, National Organization for Public Health Nursing and Sight-Saving Supervisors and Teachers.
National Society for the Prevention of Blindness. Conference (1928 : New York, N.Y.) | Date: 1928