Muḥammad Ḥusain Haikal ; tarjumah Shaik̲h̲ Muḥammad Aḥmad Pānīpatī (1957) Abū Bakr : sīrat Ḥaẓrat Abū Bakr, Ṣiddīq-i Akbar /. Maktabah-yi Jadīd,. ISBN: .