Von Hildebrand, Dietrich 1889-1977.
The encyclical "Humanae vitae": a sign of contradiction : an essay on birth control and Catholic conscience /
Dietrich von Hildebrand 
. - Steubenville : Hildebrand Press,  2018 
. - xx, 115 p.  17 cm. 
<br/><br/> Hildebrand project.
<br/>К.: Бібліогр. в підрядк. прим. 
<br/><label>  ISBN: </label>978-1-939773-13-5 
<br/><br/><label>Subjects--Personal Names: </label><br/>Paul VI  pope  1897-1978 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Catholic Church