Daniel L. Schwartz (ed.), "Zela — " in last modified August 8, 2018, http://syriaca.org/place/2731
   
      
         
            
               Zela
               Zela
               A city in Pontus
          
               http://syriaca.org/place/2731
               https://pleiades.stoa.org/places/857382
               
                  
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