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