Constantinople (Ecumenical patriarchate).
Codex (B') beta of the Ecumenical Patriarchate of Constantinople: aspects of the history of the Church of Constantinople /
by Nomikos Michael Vaporis 
. - Brookline : Holy Cross Orthodox Press,  1975 
. - 165 p.  23 cm. 
 - (The Archbishop Iakovos library of ecclesiastical and historical sources  ; n. 3 )
<br/><label>  ISBN: </label>0-916586-03-0