1. The prevention and correction of reading difficulties;Betts,1936
2. Visual aids in remedial reading;Betts;Educational Screen,1936
3. A physiological approach to the analysis of reading disability;Betts;Educ. Res. Bull.,1934
4. Bond, G. The auditory and speech characteristics of poor readers. Teachers Coll. Columbia U., Contr. to Educ., no. 657.
5. Betts's charts not acceptable;Carter;Jour. Amer. Med. Assoc.,1939