BIBLIOGRAPHY CONTRIBUTOR Gurgis Awwad First name Gurgis Last name Awwad Bibliography entries by this contributor al-Sijzī, Abū. 1951. “Risāla Fī maʿrifa Al-khaṭṭayn Al-mustaqīm wa’l-munhānī”. Ed. Gurgis Awwad. Sumer 7: 1-29.
