al- Ḥalaqa ad-Dirāsīya li'l-Wuʿʿāẓ wa-Aʾimmat al-Masāǧid ʿan Daur al-Masǧid fi 'l-Muǧtamaʿ al-Muʿāṣir (1972 : Sirs al-Laiyān)