Hayiwaardi fi Hasan barreeffama inni barreessee kessaa saddeet kan inni Afaan Arabaan barreesse tarreessu, barreeffamoonni kun Moqaadishootti argamuu akka danda'anis heeraniiru: Dirdsa fi al-mantiqa 1-Harariyya jughrafiyyan wa bashariyyan, barreeffama qorannaa hawaasaa (geography) fi dimoograafii naannoo Harari fi kan fuula 200 qabu; barreeffama seenaa lama Janaza shamarikh min hadayiz al-tawarikh kan fuula 95 qabu, and Kitab irsal al-sawarikh ila sama' al-tawarikh, kitaaba seenaa Oromoo kan fuula 56 qabu; barreeffama amantii sadi'i Al-mawahib al-madadiyyah fi l-'awf al-'adadiyya, Muqaddamat taysir al-zari'a (fuula 48 qaba), fi Taysir al-zari'a ila fuquhiyy fi ahkam al-shari'a; fi seenaa barsiiftota isaa (biography) lama kan armaan olitti ibsame.
