1980 Britannica book of the year. 

 - Chicago :  Encyclopaedia Britannica.  c 1980. 
 - 766 p. :  ills. ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/>311  311 
<br/><br/><label>ISBN: </label>0-85229-372-0 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Encyclopaedia britannica, INC.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>032 / E19