Tobias Scheunchen (eds.), "Kusayr - كُسير " in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/5355
  
    
      
        
          Kusayr
          كُسير
          
          A mountain located in the sea along the coast of Oman.
          https://bqgazetteer.bethmardutho.org/place/5355
          http://syriaca.org/place/5355
          
            Kitāb al-Masālik wa al-mamālikAbū ʿUbayd al-Bakrī
            1377-378