Cowie Valerie A., Institute for Research into Mental Retardation  <br/><br/>
Study of the early development of mongols   

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 - Oxford  Pergamon press  1970 
 - 110 p.  21 cm. 
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<br/><br/>  Mental Retardation, Down Syndrome, Mongoloid Race 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mongoloid Race<br/>Down Syndrome<br/>Mental Retardation
<br/><br/><label>Dewey Class. No.: </label>WM300  / COW