Sar Sayyid Aḥmad K̲h̲ān̲. al-K̲h̲ut̤bāt al-Aḥmadiyyah fī al-ʻArab va al-sīrah al-Muḥammadiyyah /. Idārah-yi Daʻvat al-Furqān,, [between 1807 and 1970].