Allen, William Stannard. <br/><br/>
Keep up your English :  An intermediate english course / 
Written by W. Stannard Allen ; Ill. by M.A. Charlton. 
 - London :  British Broadcasting Corporation,  1966. 
 - 196 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Exercises--Study guides<br/>English language--Textbooks for foreign speakers