Reule, D. Rāġib, Māykil Ḥilmiī [Ragheb, Mickel Helmy], aṯ-Ṯīʾuṭūkīyāt Al-ḥabašīya (Widdāsī Māryām) Fī ḍawʾ ʾaṣlihā Al-qibṭī Wa-turāṯ at-tarānīm Aš-šarqīya Al-ʾuḫrā (‘The Abyssinian Theotokia (Widdāsī Māryām) in View of Their Coptic Origin and the Heritage of the Other Oriental Hymns’). Aethiopica 2023, 26, 287–291.