NINETEEN seventy seven Britannica book of the year 

 - Chicago  Encyclopaedia Britannica  1977 
 - 768 p. 
<br/><br/><label>ISBN: </label>50078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>32  / NIN