Cowie, Valerie A. <br/><br/>
A study of the early development of Mongols / 
by Valerie A. Cowie. 
 - Oxford  Pergamon Press  1970. 
 - xiii, 110 p. : ill. ; 21 cm. 
 - Institute for Research into Mental Retardation. Monograph no.1 .
<br/><br/> 'An abridged form of a thesis ... University of London ... 1967.' 
<br/><br/>Bibliography: p. 106-108. 
<br/><br/><label>ISBN: </label>0080068286 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Down's syndrome.