1. A study of the effects of a visual perception training program upon school achievement, I.Q. and visual perception;Bennett;Dissertation Abstracts,1969
2. Remedial training of first grade children with visual perceptual retardation;Cohen,1966
3. An experimental study of visual perceptual training and readiness scores with certain first grade children;Cowles;Dissertation Abstracts,1969
4. An investigation of the effectiveness of the Frostig program upon the development of visual perception for word recognition of culturally disadvantaged first grade students;Fortenberry;Dissertation Abstracts,1969
5. Marianne Frostig developmental test of visual perception;Frostig,1961