Thomas A. Carlson (eds.), "Socotra" in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/642
    
        
            
                
                    Socotra
                    سُقُطْرَى
                    سقوطرة
                    An island off the horn of
                        Africa.
                    
                        12.4805981 53.9293594
                    
                    
                        Attestation of name سُقُطْرَى in the Muʿjam
                                al-buldān of Yāqūt al-Ḥamawī.
                        
                    
                    
                        Attestation of name سقوطرة
                            in the Kitāb al-aʿlāq al-nafīsa
                            of Aḥmad ibn ʿUmar Ibn Rustah.
                        
                    
                    
                    https://bqgazetteer.bethmardutho.org/place/642
                    http://syriaca.org/place/642
                    http://pleiades.stoa.org/places/39338/
                    http://en.wikipedia.org/wiki/Socotra
                    
                        http://www.csc.org.il/db/browse.aspx?db=SB&sL=S&sK=Socotra&sT=keywords 
                    
                        The Gorgias Encyclopedic Dictionary of the
                            Syriac Heritage
                                                
                        164
                    
                    
                        The Comprehensive Bibliography on Syriac
                            Christianity
                        
                        Socotra
                    
                    
                        Muʿjam al-buldān
                        Yāqūt al-Ḥamawī
                        
                        III256
                    
                    
                        Kitāb al-aʿlāq al-nafīsa
                        Aḥmad ibn ʿUmar Ibn Rustah
                        
                        87
                    
                    
                        https://pleiades.stoa.org/places/39338Pleiades: A Gazetteer of Past PlacesRoger BagnallRichard TalbertTom ElliottLindsay Holmanet al.