Thomas Koonammakkal (Koonammakkal Thoma kathanar) is aSyro-Malabar Catholic priest andsyriacist, scholar and church historian. He is an expert inKarshoni Malayalam and is the author of the most comprehensive Karshoni Malayalam introduction to date.^[1][2][3] He has also authored several critical articles onEarly Christianity and on the works ofSaint Ephrem.^[3] He holds a master's degree inSyriac studies and a doctorate from theUniversity of Oxford. He served as the professor ofSyriac andPatrology inSEERI, Vadavathoor Saint Thomas Apostolic Seminary andPaurastya Vidyapitham.^[4][5] He is the founder ofBeth Aprem Nazrani Dayara and is a strong advocate of traditionalism in the Syro-Malabar Church.^[6]

• The Theology of Divine Names in the Genuine Works of Ephrem (1991)
• Divine Names and Theological Language in Ephrem (inStudia Patristica, volume XXV, edited byElizabeth A. Livingstone,Peeters Publishers, 1993)
• St. Ephrem and Greek Wisdom (inIV Symposium Syriacum 1992 edited by René Lavenant,Pontificio Instituto Orientale, 1994)
• Ephrem on the Name of Jesus (inStudia Patristica, volume XXXIII, edited by Elizabeth A. Livingstone, 1997)
• An Introduction to Malayalam Karshon (inThe Harp, volume XV, 2002)
• Ephrem's Theology of Humour (inStudia Patristica, volume XLI, edited byFrances Margaret Young,Mark J. Edwards,Paul M. Parvis, 2006)
• Ephrem’s Ideas on Singleness (inHugoye: Journal of Syriac Studies, volume 2, no. 1, 2010).
• Fr. Emmanuel Thelly (inThe Harp (Volume 21): Festschrift: Rev. Fr. Emmanuel Thelly, 2011)
• Syro-Malabar History and Traditions (inOrientalia Christiana: Festschrift fürHubert Kaufhold zum 70. Geburtstag, edited by Peter Bruns, Heinz Otto Luthe, 2013)
• The Passover celebration of the Mar Thoma Nazranis and the origins of Christianity in India (inParole de l'Orient (volume 41), 2015)
• The Church in the Churches: a Syriac ecclesiology (2018)
• Ephrem on the Icon of Nature (inEdessa in hellenistisch-römischer Zeit, 2009)
• Karshon: Malayalam in Syriac characters (inThe Harp, volume XXX, 2016)
• Problem of latinization : no exit? (2017)
• Acts of Thomas re-examined in the light of the Song of Thomâ Ramban (inThe Harp, volume XXXIII, 2018)
• Ephrem's philosophy of theological language (inParole de l'Orient (volume 46), 2020)