Chall, Jeanne Sternlicht, 1921- Readability : an appraisal of research and application / by Jeanne S. Chall. - Essex : Bowker, 1974. - xiv, 202 p. : tables. ; 23 cm. - Ohio State University. Ohio State University studies. . Ohio State University studies. Bibliography: p. 175-190. Subjects--Topical Terms: Reading, Psychology of.Readability (Literary style).