Ugo Zanetti and Nathan P. Gibson (eds.), "Origins of Christianity in India (1st-6th century)" in Christianity in India. A History in Ecumenical Perspective last modified January 4, 2016, http://syriaca.org/bibl/961
    
        
            
                
                    
                        A.M.
                        Mundadan
                    
                    Origins of Christianity in India (1st-6th
                     century)
                    http://syriaca.org/bibl/961
                
                
                    
                        H.C.
                        Perumalil
                    
                    
                        E.R.
                        Hambye
                    
                    Christianity in India. A History in Ecumenical Perspective
                    
                        Alleppey, India
                        1973
                    
                    15-20