Crymes, Ruth H. <br/><br/>
Some systems of substitution correlations in modern American English 

 - The Hague  Mouton  1968 
 - 187p.  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language
<br/><br/><label>LC Class. No.: </label>PE2823.C7