Travis, John.
In defense of the faith: the theology of Patriarch Nikephoros of Constantinople /
John Travis 
. - Brookline : Hellenic College Press,  1984 
. - XVIII, 182 p.  23 cm. 
<br/>К.: Бібліогр. : c. xi-xviii, Index 
<br/><label>  ISBN: </label>0-916586-97-9 
<br/><br/><label>Subjects--Personal Names: </label><br/>Nicephorus Saint, Patriarch of Constantinople