Encyclopaedia britannica  sordello to textbooks 

 - Chicago  William Benton Publishers  1965 
 - 985p.  V.21 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia<br/>Encyclopaedia Britannica
<br/><br/><label>Dewey Class. No.: </label>032  / ENC