Juhud al-Sahaba wa-al-Tabi'in fi Taqrir al-'Qaidah wa-al-Radd 'ala al-Firaq Hatta Nihayat al-Asr al-Umawi. The efforts of the Companions and followers in the determination of faith and response to differences, until the end of the Umayyad era, by Dr. Ata Allah Bakhit Ma'ayitah. A work on the doctrines and differences of early Muslims.