Lynn, Roa. Learning disabilities : an overview of theories, approaches, and politics / Roa Lynn with Neil Gluckin and Bernard Kripke. - New York : Free Press, 1979. - xii, 195 p. : ill. ; 25 cm. Includes bibliographical references : p. 178-184 and indexes. ISBN: 0029194903 Subjects--Topical Terms: Learning disabilities.