Vernon, M. D.  1901-1991. <br/><br/>
Backwardness in reading :  a study of its nature and origin 

 - Cambridge :  University Press,  1957 
 - 227 p. :  illus ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Special education<br/>Reading, Psychology of
<br/><br/><label>Dewey Class. No.: </label>371.9   / VEB 1960