Bond, G.L., & Tinker, M.A.Reading difficulties: Their diagnosis and correction. New York: Appleton-Century-Crofts, 1957.
2.
Chalfant, J.C., & Scheffelin, M.A.Central processing dysfunctions in children . Washington, D.C.: U.S. Government Printing Office, 1969.
3.
Edwards, A.M. U.S. census population, 1940: Comparative occupational statistics 1870-1940. Washington, D.C.: U.S. Government Printing Office, 1943.
4.
Graham, F.K., & Kendall, B.S.Memory-for-Designs Test: Revised general manual. Perceptual and Motor Skills, Monograph Supplement 2-VII, 1960.
5.
Harris, I.Emotional blocks to learning. New York: The Free Press, 1961.
6.
Johnson, D.J., & Myklebust, H.R.Learning disabilities: Educational principles and practices. New York: Grune & Stratton, 1967.
7.
Kephart, N.C.The slow learner in the classroom. Englewood Cliffs, N.J. : Prentice-Hall, 1960.
8.
Kephart, N.C.Learning disability: An educational adventure. West Lafayette, Ind.: Kappa Delta Pi Press, 1968 .
9.
Kirk, S.A., McCarthy, J.J., & Kirk, W.The Illinois Test of Psycholinguistic Abilities (Rev. ed.)Urbana: University of Illinois Press, 1968.
10.
Lindquist, E.F., Hieronymus, A.N., & Hoover, H.D.lowa Test of Basic Skills. New York: Houghton Mifflin, 1964.
11.
Margolin, J.B.An experimental approach to reading therapy. In Long, N. J.,Morse, W. C., & Newman, R. G. (Eds.), Conflict in the classroom. Belmont, Calif. : Wadsworth , 1965.
12.
Sullivan, E.T., Clark, W.W., & Ernest, W.T.Examiner's manual: California Short Form Test of Mental Ability. Monterey, Calif.: California Test Bureau , 1965.