Origen:  An Exhortation to Martyrdom Prayer first Principles Book iv Prologue to the Commentary on the song of songs homily xxvii on number / 

 - New York:  Paulist Press,  1979. 
 - xvi, 293 p. 
<br/><br/><label>ISBN: </label>0809121980 0809102838 
<br/><br/><label>Dewey Class. No.: </label>269.3  / ORI