Taylor, Ronald L. <br/><br/>
Mental retardation :  historical perspectives, current practices, and future directions / 
Ronald L. Taylor, Stephen B. Richards, Michael P. Brady 
 - Boston, MA :  Pearson/Allyn and Bacon,  2005 
 - xi, 420 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0205359027  RM308.83 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental Retardation--history
<br/><br/><label>National Library of Medicine Call No.: </label>WM300