Leland, Henry. <br/><br/>
Mental  retardation :  present and future perspectives / 
Henry Leland, Daniel E. Smith. 
 - Worthington, Ohio :  C. A. Jones Pub. Co.,  [1974] 
 - x, 230 p. :  ill. ;  23 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 202-221. 
<br/><br/>Preface // Acknowledgements // Part 1 : Present Perspectives // Part 2 : Future Perspectives // Glossary // References // Author Index // Subject Index //  
<br/><br/><label>ISBN: </label>0839600488 
<br/><br/><label>LCCN: </label>74077631  
<br/><br/><label>Subjects--Topical Terms: </label><br/>People with mental disabilities--Care.
<br/><br/><label>LC Class. No.: </label>RC570  / .L44 
<br/><br/><label>Dewey Class. No.: </label>362.3 LEL S