Title: al- Islām fī muwājahat al-taḥaddiyāt
Subjects: Sources, Kings and rulers, Arabic Islamic sermons, History, ʻUmar ibn al-Khaṭṭāb, Caliph, d. 644, Islamic sermons, Arabic, Islamic Empire -- History -- 622-661 -- Sources, Islamic Empire -- Kings and rulers -- Sources, Caliphs, Islam, Relations, Apologetic works