The new amarican desk encyclopaedia 

 - New york :  Penguin books ;  1977 
 - 1374 p ;  17 cm 
<br/><br/><label>ISBN: </label>0-451-17566-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General encyclopaedic works
<br/><br/><label>Dewey Class. No.: </label>031