Nicholas I, patriarch of constantinople  miscellaneous writings /  [Texte imprimé] : 
greek text and english transl. by L. G. Westernik 
 - Washington:  Trustees for Harvard University,  1981 
 - Corpus fontium historiae byzantinae (Trustees for Harvard University, Washington)  20 .
 - Corpus fontium historiae byzantinae (Trustees for Harvard University, Washington)  20 .
<br/><br/><label>ISBN: </label>0-88402-089-4 
<br/><br/><label>Dewey Class. No.: </label>298.016