The new encyclopædia Britannica :  macropædia : knowledge in depth. 

 - 15th ed. 
 - Chicago :   Encyclopædia Britannica ,  c1993. 
 - 32 vols. ,  ill. (some col.), maps ;   29 cm. 
<br/><br/>Propaedia (1 volume): An "Outline of Knowledge"<br/>Micropædia (12 volumes)<br/>Macropædia (17 volumes)<br/>Index (2 volumes) 
<br/><br/><label>ISBN: </label>0852295715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>032  / N532 1993