<p style='text-align: justify;'>Letter from Ḥayyim b. Immanuel b. Qayoma in Mahdiyya, (according to Gil 1997 IV:274 probably to Judah b. Ismaʿīl al-Andalūsī, and, according to Goitein’s card catalogue, to Abū Isḥāq Barhūn b. Mūsā, who is mentioned on the back). Mentions Mardūk b. Mūsā. </p>