ʻAbd Allāh ibn Ismāʻīl Hāshimī

• Risālat ʻAbd Allāh ibn Ismāʻīl al-Hāshimī ilá ʻAbd al-Masīḥ ibn Isḥāq al-Kindī
• 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