Sayyid ʿAbdulqādir ; Shujāʻuddīn, Muḥammad (1960) Tārīk̲h̲-i Islām : ʻahad-i risālat aur k̲h̲ilāfat-i Rāshidah ke ḥālāt. Ḥaqq-i Birādarz. ISBN: .