Tobias Scheunchen (eds.), "Bāb al-Sudda - باب السدة " in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/5204
  
    
      
        
          Bāb al-Sudda
          باب السدة
          
          One of the entrances to the Great Mosque in Mecca.
          https://bqgazetteer.bethmardutho.org/place/5204
          http://syriaca.org/place/5204
          
            Riḥlat Ibn JubayrIbn JubayrM.J. de Goeje 
            81, 105