AterFred C. “School progress.” Review of Educational Research, 3: June, 1933, 194–200.
2.
AterFred C. “School marks.” Review of Educational Research, 3: June, 1933, 201–204.
3.
AterFred C. “School progress.” Review of Educational Research, 6: April, 1936, 164–168.
4.
BakerHarry J.Characteristic Differences in Bright and Dull Pupils. (Public School Publishing Co.Bloomington, Ill., 1927. 172 pp.)
5.
BakerHarry J. “The Psychology of Ability Groups and Implications for Instructional Differentiation.” Thirty-Fifth Yearbook, Part I, of this Society. 1936, pp. 135–160.
6.
BillettRot O.The Administration and Supervision of Homogeneous Grouping. (The Ohio State University Studies, Contributions in School Administration No. 4, 1932)
7.
BillettRoy O.Provisions for Individual Differences, Marking and Promotion. (Bulletin No. 17, 1932, pp. 9, 60–126. United States Department of the Interior, Office of Education, 1933)
8.
BixlerHarold H. “School marks.” Review of Educational Research, 6: April, 1936, 169–173.
9.
BoterPhilip A. “The Administration of Learning Groups in Elementary Schools.” (Thirty-Fifth Yearbook, Part I, of this Society, 1937, pp. 191–215)
10.
BuckinghamB. R. “An experiment in promotion.” Journal of Educational Research, 3: May, 1921, 326–335.
11.
BuckinghamB. R. and Others. The Classification of Pupils in Elementary Schools. (State Department of EducationColumbus, Ohio, 1925)
12.
ChismLeslie L. “Classification and promotion practices in the elementary school.” Elementary School Journal, 33: October, 1932, 89–91.
13.
CookR. R. “Results of Homogeneous Grouping in High School Classes.” Twenty-Third Yearbook, Part I, of this Society, 1934, pp. 302–312)
14.
OttoHenrt J.Elementary School Organization and Administration. Pp. 154–191. (D. Appleton-Century Company1934)
15.
Ninth Yearbook, Department of Elementary School Principals. Vol. IX, No. 3, April, 1930, pp. 278–293, 312–318.
16.
Ninth Yearbook of the Department of Superintendence. Pp. 1–106. (National Education Association: Washington, D. C., 1931)
17.
Thirty-Fifth Yearbook, Part I, of this Society. (Public School Publishing Company: Bloomington, Illinois, 1936. 319 pp.)
18.
Twenty-Fourth Yearbook, Part II, of this Society, 1925, pp. 140–166, 317–355.
