I. Websites dedicated to Saint Thomas Christian history, culture, traditions and heritage
South Asia Research Assistance Services (SARAS)
Project for Preserving the Manuscripts of the Syrian Christians in India
Advanced learning and teaching centre for Syriac language and heritage
Syrian Christians DNA Project website
The Nazrani periodical
Christian Musicological Society of India
Nasrani Foundation
II. Church Websites
Syro Malabar Church
Malankara Orthodox Syriac Church ( Indian Orthodox )
Malankara Syriac Orthodox Church (Jacobite)
Syro Malankara Catholic Church
Malankara Mar Thoma Syrian Church
Malabar Independent Syrian Church
Chaldean Syrian Church India ( COE India)
Sharbtho- Syrian Christians
IV.Family Web sites
Saint Thomas Christians Family Web sites
V. Church Specific Web sites
Syro Malabar Church Web sites
Malankara Syriac Orthodox Church (Jacobite) Web sites
Malankara Orthodox Syriac Church (Orthodox) Web sites
Syro Malankara Catholic  Church Web sites
Malankara Mar Thoma Syrian Church Web sites
Malankara Independent Church ( Thozhiyur) Web sites
Chaldean Syrian Church Web sites
Catholic Church Web sites
Orthodox  Church Web sites
VI. Online Articles
Aspects of the Idea of “Clean and Unclean” among the Brahmins, the Jews, and the St. Thomas Christians of Kerala by Prof.George Menachery
Saint Thomas Cross (Mar Toma Sliba) by Fr Varghese Pathikulangara CMI
Christian Contribution to Art and Architecture in India by Prof.George Menachery
Prof. Menachery Papers and Articles
The Great Church of Ollur and the Angel Raphael – A Photo Feature
Mar Thoma: The Apostolic Foundation of the Assyrian Church and the Christians of St. Thomas in India
New Text of the Sacraments Syro Malabar Church Rev Fr Thomas Mannooramparambil
VII. Online Books
Kodungallur- The Cradle of Christianity In India by Prof. George Menachery & Fr. Werner Chakkalakkal, CMI
East of the Euphrates: Early Christianity in Asia by T.V. Philip
GEDDES : A short history of the church of Malabar
MACKENZIE : Christianity in Travancore
GEORGE CATHANAR: The Orthodoxy of the St. Thomas Christians
A.E. MEDLYCOTT: Indian and the Apostle Thomas