References
- Bond , E. 1938 . Reading and ninth grade achievement , Teach. Coll., Columbia Univ., Contrib. Educ. . No. 756.
- Lee , D. M. 1933 . The importance of reading for achieving in grades four, five, and six , Teach. Coll., Columbia Univ., Contrib. Educ. . No. 556.
- Tinker , M. A. 1932 . The relation of speed to comprehension in reading . Sch. & Soc. , 36 : 158 – 60 .