Townley, Helen M. <br/><br/>
Thesaurus-making :  grow your own word-stock / 
Helen M. Townley and Ralph D. Gee. 
 - London :  Deutsch,  c1980. 
 - 206 p. 
<br/><br/> "A Grafton book" 
<br/><br/><label>ISBN: </label>0233972250  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings.<br/>Indexing.