The New encyclopaedia Britannica :  in 30 volumes  

 - 15th. ed.  
 - Chicago :    Encyclopaedia Britannica,    1974  
 - 19V.,   maps., ill.,  
<br/><br/><label>ISBN: </label>0852292902 
<br/><br/><label>LCCN: </label>7381025 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Encyclopaedia Britannica, Inc.
<br/><br/><label>LC Class. No.: </label>AE5.B75 1974