Britannica book of the year 1975 

 - Chicago :  Encyclopaedia Britannica.  1975. 
 - 768 p. 
<br/><br/><label>ISBN: </label>0852293038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>030  / BRI