Anderson, and Merton “Remedial work in reading.” Elementary School Journal. May and June, 1920.
2.
ArthurGrace. “An application of intelligence tests to the problem of school retardation.” School and Society, 10: 614–620.
3.
BuckinghamB. E. “An experiment in promotion.” Journal of Educational Research.3: 1920. 326–335.
4.
DicksonV. E. “What first-grade children can do in school as related to what is shown by mental tests.” Journal of Educational Research.2: 1919. 475–480.
5.
HolleyC. E. “Mental tests for school use.” University of Illinois Bulletin. Vol. XVII. No. 28.
6.
PackerJ. L. “The vocabularies of ten first readers.” Twentieth Yearbook of this Society., 1921. Part I, Chapter 9.
7.
StarchDaniel. “The contents of readers.” Twentieth Yearbook of this Society.”, 1921. Part I, Chapter 10.
8.
TheisenW. W. “Factors affecting results in primary reading.” Twentieth Yearbook of this Society., 1921, Part II, Chapter 1.
9.
ZirbesLaura. “Diagnostic measurement as a basis for procedure.” Elementary School Journal, 18; March, 1918.