Sources:
- Howard Crosby Butler: Early Churches in Syria. Fourth to Seventh Centuries. Princeton University Press, Princeton 1929, p. 37
- "Incident Report Feature: Deir Sunbul (Der Sambil) Village". ASOR Cultural Heritage Initiatives. - https://www.asor-syrianheritage.org/incident-report-feature-deir-sunbul-der-sambil-village/