Britannica <br/><br/>
The new encyclopaedia Britannica : in 30 volumes Macropaedia : knowledge in depth Vol. 6 Earth - Everglades 
Britannica 
 - 15th ed. 
 - Chicago :  Encyclopaedia Britannica,  c1984. 
 - 30 v. 1141 p. :  ill. (some col.) ;  29 cm. 
<br/><br/> https://www.worldcat.org/search?q=Encyclopaedia+britannica+%3A+the+new+encyclopaedia+britannica+in+30+volumes%2C+Macropaedia+%3A+knowledge+in+depth.&fq=&dblist=638&start=1&qt=page_number_link  Spine title: Encyclopaedia Britannica. 
<br/><br/>Includes bibliographies. 
<br/><br/>Propaedia (1 v.) -- Micropaedia (10 v.) -- Macropaedia (19 v.) 
<br/><br/><label>ISBN: </label>0852294131 (set) 
<br/><br/><label>LCCN: </label>82084048  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.--Encyclopedias
<br/><br/><label>LC Class. No.: </label>AE5  / .E363 1984 
<br/><br/><label>Dewey Class. No.: </label>031 BRI