The New Encyclopaedia Britannica :  Micropaedia : Ready Reference and Index  Volume IV :  Excommunition -- Hermosillo 

 - 15th ed. 
 - Chicago :  Encyclopaedia Britannica,  c1984. 
 - 1050 p. :  ill.  ;  29 cm. 
<br/><br/> Spine title: Encyclopaedia Britannica.  "In 30 volumes" 
<br/><br/>Propaedia (1 v.) -- Micropaedia (10 v.) -- Macropaedia (19 v.) 
<br/><br/><label>ISBN: </label>0852294131 (set) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>032  / NEW 1984