Silvio Roggo (ed.), "The Cancellus Prison" in last modified February 16, 2024, http://syriaca.org/place/5652
  
    
      
        
          The Cancellus Prison
          ܩܢܩܠܐ
          
            Joh. Eph., EH 3.15, states that John of Ephesus was imprisoned at this place in Constantinople for 18 days during Christmas 578.
          
          http://syriaca.org/place/5652
          http://syriaca.org/johnofephesus/places/5652
          
            
            141
            3.3.15
          
          
            
            141
          
        
        
          
            
              Constantinople