Origene,  ca 185-253 <br/><br/>
Origen :  An Exhortation to Martyrdom, Prayer and selected Works. 

 - New York :  Paulist Press,  1979. 
 - 293 p. ;  23 cm. 
 - The Classics of Western Spirituality (the) ; .
<br/><br/> H.U. von Balthasar Bibliographie 1925-2005,  F 77 
<br/><br/><label>ISBN: </label>0809121980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Balthasar, Hans Urs von - Letteratura primaria F (prefazioni e postfazioni)<br/>Altri autori (Catalogo Generale) - Letteratura primaria
<br/><br/><label>Index Terms--Function: </label><br/>Lettura spirituale