Thomas A. Carlson (ed.), "Mar Oshaʿna" in last modified December 9, 2016, http://syriaca.org/place/2476
    
        
            
                
                    Mar Oshaʿna
                    Mār Ōshaʿnā
                    Mar Oshana
                    Mar Osha‘na
                    Mār Ōshanā
                    Mār Ōsha‘nā
                    
                    
                        Gāzartā region
                    
          
                    http://syriaca.org/place/2476
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        109, 110, 354