Thomas A. Carlson (ed.), "Qalʿat Najm" in last modified December 9, 2016, http://syriaca.org/place/634
    
        
            
                
                    Qalʿat Najm
                    Qalat Naym
                    قلعة النجم
                    Qalat Najm
                    Qal‘at Najm
                    A medieval fortress on the Euphrates near Mabbug.
                    
                        Attestation of name قلعة النجم in the Muʿjam al-buldān of Yāqūt al-Ḥamawī.
                        
                    
          
                    http://syriaca.org/place/634
                    http://en.wikipedia.org/wiki/Qal'at_Najm
                    
                                            http://www.csc.org.il/db/browse.aspx?db=SB&sL=Q&sK=Qalat Naym&sT=keywords
                                        
                    
                        The Comprehensive Bibliography on Syriac Christianity
                        
                        Qalat Naym
                    
                    
                        Muʿjam al-buldān
                        Yāqūt al-Ḥamawī
                        
                        IV:444