Humani generis  concerning some false opinions which threaten to undermine the foundations of Catholic doctrine ; encyclical letter 
of His Holiness Pope Pius XII. 
 - Boston, Mass.  St. Paul Editions  [1980?]. 
 - 23 p.  18 cm. 
<br/><br/> Cover title. 
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Catholic Church--Doctrines.