1. Researches in Binocular Vision;Ogle,1950
2. Small angle esotropia;Albert;Am. Orthoptic J.,1962
3. Monofixational phoria;Parks;Am. Orthoptic J.,1961
4. Small angle esodeviations;Parks;Am. Orthoptic J.,1962
5. Significance of peripheral fusion;Hughes;Brit. Orthopt. J.,1963