Thomas A. Carlson (ed.), "Mar Petion" in last modified December 9, 2016, http://syriaca.org/place/2479
    
        
            
                
                    Mar Petion
                    Dayr al-ʿAtīqa
                    Mār Peṯiōn
                    Dayr al-Atīqa
                    Dayr al-‘Atīqa
                    A monastery in Baghdad.
                    
                        Baghdad
                    
          
                    http://syriaca.org/place/2479
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        50
                    
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        183