| ʿAbdallāh, Yūsuf M. | |
| ʿAbdallāh 1979 a | 1979. Mudawwana al-nuqūš al-yamaniyya al-qadīma. Dirāsāt Yamaniyya, 2: 47-75.
|
| ʿAbdallāh 1979 b | 1979. Mudawwana al-nuqūš al-yamaniyya al-qadīma. Dirāsāt Yamaniyya, 3: 29-64.
|
| ʿAbdallāh 1988 c | 1988. Madīna al-Sawā fī "Kitāb al-Ṭawāf ḥawl al-baḥr al-Irītirī". Raydān, 5: 101-113 (Arabic section).
|
| ʿAbdallāh 1988 e | 1988. Madīnat as-Sawā fī "Kitāb aṭ-Ṭawāf ḥawl al-baḥr al-Irītirī". Dirāsāt Yamaniyya, 34/Oct-Dec: 30-49.
|
| ʿAbdallāh 1995 | 1995. The city of al-Sawā in the Periplus of the Erythraean Sea. Arabian Archaeology and Epigraphy, 6: 259-269.
|
| ʿAbdallāh 2004 | 2004. Naqš al-Wāqir, naqš ǧadīd min al-ʿaṣr al-sabaʾī al-qadīm. al-Musnad, 2: 2-6.
|