Collins double book dictionary and encyclopedia 

 - london :  Wm. Collins Sons & Co. Ltd.,  1968 
 - 438 p. :  illus ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Encyclopedias and dictionaries.<br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>031  / C721