There are 9 books by K. G. O'Bryan on BookOrb. A strong starting point is Les langues non officielles (1975). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Showing 6 of 9 titles.
Frequently asked questions
How many books has K. G. O'Bryan written?
BookOrb lists 9 books by K. G. O'Bryan.
Where should I start with K. G. O'Bryan?
A good starting point is Les langues non officielles (1975).
What is the K. G. O'Bryan books in order list?
In publication order: 1. Reversibility, intelligence and creativity in nine-year-old boys (1967), 2. Eye movements, their relationship to the development of conservation of length, area and continuous quantity (1969), 3. Les langues non officielles (1975), 4. The junior kindergarten study (1975), 5. The Windsor Early Identification Project (1976), 6. The Windsor Early Identification Project revisited (1980).