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Ranschburg, P.—Die Leseschwäche (Legasthenie) der Schulkinder im Lichte des Experiments; Julius Springer, Berlin, 1916.
Schmitt, C.—“Developmental Alexia” and “Congenital Word Blindness or Inability to Learn to Read”; Elementary School Journal, 1918.
Schröck, G.—“Über kongenitale Wortblindheit”; Klinische Monatsblätter für Augenheilkunde, 1915.
Terman, L. M.—“An Experiment in Infant Education”; Journal of Applied Psychology, 1919.
Thorndike, E. L.—“The Understanding of Sentences: A Study of Errors in Reading”; Elementary School Journal, 1917.
Uhl, W. L.—“The Use of the Results of Reading Tests as Bases for Planning Remedial Work”; Elementary School Journal, 1916.
White, A., and Poull, L. E.—Reading Ability and Disability of Subnormal Children; Department of Public Welfare, New York, 1921.