Kerala Christians and the Caste System authored by C. J. Fuller published in Man , Mar., 1976, New Series, Vol. 11, No. 1 (Mar., 1976), pp. 53-70 by Royal Anthropological Institute of Great Britain and Ireland
An article by P. M. Jussay published by: Indian History Congress in Proceedings of the Indian History Congress , 1996, Vol. 57 (1996), pp. 277-284. Stable
An article on "The Native Place of Thomas Kinayi" by Rev. Dr. Jacob Kollaparambil published in Orientalia Chirstiana Anlecta 236, V Symposium Syriacum 1988, Roma.
"Church of the East" section in the chapter "Thomas Christians and the Thomas Tradition" in the book Christianity in India From the Beginning to the Present published by Oxford University Press.
The author infers that that native place of Thomas of Kinayi was Kynai in Bet Aramaye about 90 kms. to the South-East of Bagdad, on the left bank of the Tigris two kms from the river and in the neighborhood of the present town, Al Aziziyah.