1. Preventive intervention;Gallagher;Pediatr Clin North Am,1973
2. Full educational opportunities for handicapped individuals;Council for Exceptional Children,1977
3. Pennsylvania Association for Retarded Citizens vs. Commonwealth of Pennsylvania, 343 F. Suppl. 279, 1972.
4. Mills vs. Board of Education of the District of Columbia, 348 F. Suppl. 866, 1972.