Under Gibb's direction he published the edited Arabic texts from the Kitāb al-Awrāķ of Abū Bakr Muḥammad b. Yaḥyā aṣ-Ṣūlī; Kitāb al-Awrāķ : [kism akhbar ash-shuʻara] section on contemporary poets (1934): Akhbār al-Rāḍī wal-Muttaķī (1935): Ash'ār Awlād al-Khulafā’ wa Akhbārum (1936) He associated with Ignatius Krachkovsky, who had written on aṣ-Ṣūlī.
[2] He later moved to the Middle East Institute in Washington, D.C. and then lived in Egypt, where he improved Egyptian vernacular.
He was multilingual in Arabic, Turkish, Persian and Urdu, collecting, editing and publishing many books about the Islamic world.
The Heyworth-Dunne papers at the Michigan Islamic Manuscripts Collection in Ann Arbor, in addition to collections of Abdul Hamid, Tiflis, Yahuda, and McGregor, constitute the majority holdings of Islamic material held by the M.I.M.C.
[citation needed] The collection of his papers (1919-49) at the Hoover Institution on War, Revolution and Peace- now the Hoover Institution Archives at Stanford University, California- comprises six boxes[3] of studies, notes, photostats, manuscripts, correspondence, etc., dealing with history, philosophy, literature, education and religion in Egypt, the Arab world and Turkey.