موقعة الجمل
However, some historians affirm the existence of Ibn Saba' or his followers. Israel Friedlander concludes that Ibn Saba' and the Saba'iyya did, in fact, exist. His work has also been attested to by Sabatino Moscati. Linda D. Lau and A. R. Armush also accept Sayf ibn Umar's accounts and the role of the Saba'iyya at the Battle of the Camel.