Ugo Zanetti and Nathan P. Gibson (eds.), "St Thomas the Apostle of India" in St Thomas the Apostle of India last modified January 4, 2016, http://syriaca.org/bibl/959
    
        
            
                
                    
                        M.
                        Gielen
                    
                    St Thomas the Apostle of India
                    http://syriaca.org/bibl/959
                    
                        Kottayam
                        1990