Roberts, Paul,    1917-1967. <br/><br/>
Understanding English /  
Paul Roberts. 
 - New York :    Harper,    1958. 
 - 508 p. :    ill. ;    22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> English language -- Grammar -- Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>425