Collins' national dictionary and encyclopedia  introduction by Allen Mawer. 

 - London  Collins  n.d. 
 - viii, 495p.: ill. 20cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and Dictionaries English language-dictionaries. 
<br/><br/><label>Dewey Class. No.: </label>420.3  / C51C