The New Encyclopaedia Britannica. 

 - 15th ed. 
 - Chicago :  Encyclopaedia Britannica, inc.,  c1978. 
 - 30 v. :  ill. ;  29 cm. 
<br/><br/> The Micropaedia and Macropaedia are numbered v. 1-10 and v. 1-19, respectively. 
<br/><br/>Includes bibliographies. 
<br/><br/>[1] Propaedia: outline of knowledge and guide to the Britannica.--[2] Micropaedia: ready reference and index. 10 v.--[3] Macropaedia: knowledge in depth. 19 v. 
<br/><br/><label>ISBN: </label>0852293305 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AE5  / .E363 1978 
<br/><br/><label>Dewey Class. No.: </label>031  / NEW 1978