Biography Nothing is known about the life of Sayf ibn ʿUmar al-Tamīmī, except that he is associated with southern Iraq, and was a writer of historical works. These were used as a main source by Abū Jaʿfar al-Ṭabarī for his
Taʾrīkh al-rusul wa-l-mulūk, although their accuracy and objectivity were doubted from early times.
Primary Sources of Information Ibn al-Nadīm,
Fihrist, p. 106
Secondary Sources of Information E. Landau-Tasseron, ‘Sayf ibn ʿUmar in medieval and modern scholarship’,
Der Islam 67, (1990), 1-26 M. Hinds, ‘Sayf b. ʿUmar’s sources on Arabia’, in
Studies on the history …