Heck, Arch O.. <br/><br/>
The Education of Exceptional Children: Its Challenge to Teachers, Parents and Laymen /  Textual Documents 
Arch O.Heck. 
 - 1st ed. / 
 - New York :  McGraw - Hill book company ,  1940. 
 - 536p. :  ill. ;  22cm . 
<br/><br/>Index 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>Education Exceptional Children G-Education 
<br/><br/><label>Dewey Class. No.: </label>371.91  / H 355 Ed