The new enciclopaedia britannica 

 - 15 
 - Chicago :  Encyclopaedia Britannica 
 - 32 v. 
<br/><br/>v. 1-12. Micropaedia : ready reference. -- v. 13-29. Macropedia : knowledge in depth. -- v. 30. Propaedia : outline of knoledge. -- v. 31. Index, A-X. -- v. 32. Index, L-Z 
<br/><br/><label>ISBN: </label>0-85229-553-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enciclopedias y diccionarios