[20.] The Courtis Tests, Series B, for Measuring the Achievements of Children in the Fundamentals of Arithmetic, can be secured from Mr. S.A. Curtis, 82 Eliot Street, Detroit, Mich.
[21.] Measurements of Some Achievements in Arithmetic, by Clifford Woody, published by the Teachers College Bureau of Publications, Columbia University, 1916.
[22.] Reasoning Test in Arithmetic, by C.W. Stone, published by the Bureau of Publications, Teachers College, Columbia University, 1916.
[23.] A Scale for Handwriting of Children, by E.L. Thorndike, published by the Bureau of Publications, Teachers College, Columbia University.
[24.] A scale derived by Dr. Leonard P. Ayres of the Russell Sage Foundation is also valuable for measuring penmanship, and can be purchased from the Russell Sage Foundation.
[25.] Copies of the Spelling Scale can be secured from the Russell Sage Foundation, New York, for five cents a copy.
[26.] A Scale for the Measurement of Quality in English Composition, by Milo B. Hillegas, published by the Bureau of Publications, Teachers College, Columbia University.
[27.] The Harvard-Newton Scale for the Measurement of English Composition, published by the Harvard University Press, Cambridge, Mass.
[28.] Scale Alpha. For Measuring the Understanding of Sentences, by E.L. Thorndike, published by the Bureau of Publications, Teachers College, Columbia University.
Scales for measuring the rate of silent reading and oral reading have been derived by Dr. W.S. Gray, of the University of Chicago, and by Dr. F.J. Kelly, of the University of Kansas. Reference to the use of Dr. Gray's scale will be found in Judd's Measuring Work of the Schools, one of the volumes of the Cleveland survey, published by the Russell Sage Foundation. Dr. Kelly's test, called The Kansas Silent Reading Test, can be had from the Emporia, Kansas, State Normal School.