Thomas A. Carlson (ed.), "Roman Empire" in last modified January 14, 2014, http://syriaca.org/place/166
    
        
            
                
                    Roman Empire
                    Byzantine empire
                    The empire west of the Persian-Sasanian Empire which endured in various forms until 1453.
          
                        
                    
                    http://syriaca.org/place/166
                    http://en.wikipedia.org/wiki/Roman_Empire
                    http://dbpedia.org/resource/Roman_Empire
                    
                                            http://www.csc.org.il/db/browse.aspx?db=SB&sL=R&sK=Roman Empire&sT=keywords
                                        
                    
                                            http://www.csc.org.il/db/browse.aspx?db=SB&sL=B&sK=Byzantine empire&sT=keywords
                                        
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        Map I A1
                    
                    
                        The Comprehensive Bibliography on Syriac Christianity
                        
                        Roman Empire
                        Byzantine empire