See:
- Baqirha, Syria Photo Guide. A Comprehensive Guide to the Cultural and Historic Sites of Syria -https://syriaphotoguide.com/baqirha-%D8%A8%D8%A7%D9%82%D8%B1%D8%AD%D8%A7/?doing_wp_cron=1602701267.0124359130859375000000
- Ute Possekel, From Damascus to Edessa Travelogue of a visit to Syria and Turkey, in: Hugoye: Journal of Syriac Studies, Vol. 12.1, Beth Mardutho: The Syriac Institute and Gorgias Press 2009, 135-165
- Howard Crosby Butler: Early Churches in Syria. Fourth to Seventh Centuries. Princeton University Press, Princeton 1929, p. 153
