Crabtree, Monica, comp. <br/><br/>
Language files :  materials for an introduction to language / 
Monica Crabtree and Joyce Powers, compilers. 
 - 5th ed 
 - Columbus :  Ohio State University Press,  c1991. 
 - xii, 449 p. : ill. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistics.