Tobias Scheunchen (eds.), "Bāb al-Raḥma - باب الرحمة " in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/5198
  
    
      
        
          Bāb al-Raḥma
          باب الرحمة
          
          One of the southern gates of the Kaʿba.
          https://bqgazetteer.bethmardutho.org/place/5198
          http://syriaca.org/place/5198
          
            Riḥlat Ibn JubayrIbn JubayrM.J. de Goeje 
            84, 95