Russell, David Harris,  1906-1965 <br/><br/>
Characteristics of good and poor spellers diagnostic study / 
by David Harris Russell 
 - New York :  AMS Press,  1937 
 - 4 p.l., 103 p. ;  24 cm. 
 - Contributions to education ; no.727 .
<br/><br/> Issued also as thesis (Ph. D.) Columbia University 
<br/><br/>'Selected bibliography': p. 91-94 
<br/><br/><label>ISBN: </label>0404557279 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Orthography and spelling<br/>Educational tests and measurements<br/>Ability