Schur, Norman W. <br/><br/>
1000 most challenging  words / 
 One thousand most challenging worlds 
Norman W. Schur 
 - New Delhi :  New Light Publishers,  1987 
 - 322 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Etymology<br/>English language--Terminology