Thomas A. Carlson (ed.), "Leiden" in last modified August 9, 2017, http://syriaca.org/place/3028
   
      
         
            
               Leiden
               ليدن
               A city in the Netherlands
               
               
                  52.150265 4.518428
               
          
                  
                  
               
               http://syriaca.org/place/3028
               https://pleiades.stoa.org/places/99008
               https://en.wikipedia.org/wiki/Leiden
               https://dbpedia.org/resource/Leiden
               
                  https://pleiades.stoa.org/places/99008