Title: Risālat ʻAbd Allah ibn Ismāʻīl al-Hashimī ʼilá ʻAbd al-Masīḥ ibn Isḥāq al-Kindī yadʻūhu bi-hā ʼilá al-Islām, wa-risālat ʻAbd al-Masīḥ ʼilá al-Hashimī yaruddu bi-hā ʼalayhi wa-yadʻūhu ʼilá al-Nasrānīyah
Subjects: Islam, Relations, Christianity, Early works to 1800, Christianity and other religions, Controversial literature, Apologetic works, Apologetics