Gardner, J F <br/><br/>
The era of optimism, 1850-1870: a preliminary reappraisal.  [electronic resource] 

 -  Mental retardation  Apr 1993 
 - 89-95 p.  digital 
<br/><br/> Publication Type: Biography; Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0047-6765 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child<br/>Education of Persons with Intellectual Disabilities--history<br/>History, 19th Century<br/>Humans<br/>Intellectual Disability--history<br/>Residential Facilities--history<br/>United States