A. E. Medlycott, India and The Apostle Thomas, pp.18–71;
M. R. James, Apocryphal New Testament, pp.364–436;
A. E. Medlycott, India and The Apostle Thomas, pp.1–17, 213–97;
Eusebius, History, chapter 4:30;
J. N. Farquhar, The Apostle Thomas in North India, chapter 4:30;
V. A. Smith, Early History of India, p.235;
Brown 1956, pp. 49–59 Brown, Leslie W. (1956). The Indian Christians of St Thomas, an Account of the Ancient Syrian Church of Malabar. Cambridge: University Press.
Catholic Encyclopedia: Proselyte: "The English term "proselyte" occurs only in the Christian Testament where it signifies a convert to the Jewish religion (Matthew 23:15; Acts 2:11; 6:5; etc.), though the same Greek word is commonly used in the Septuagint to designate a foreigner living in Judea. The term seems to have passed from an original local and chiefly political sense, in which it was used as early as 300 BC, to a technical and religious meaning in the Judaism of the Christian Testament epoch."
Catholic Encyclopedia: Proselyte: "The English term "proselyte" occurs only in the Christian Testament where it signifies a convert to the Jewish religion (Matthew 23:15; Acts 2:11; 6:5; etc.), though the same Greek word is commonly used in the Septuagint to designate a foreigner living in Judea. The term seems to have passed from an original local and chiefly political sense, in which it was used as early as 300 BC, to a technical and religious meaning in the Judaism of the Christian Testament epoch."