His other contributions include nearly 200 articles in the Encyclopaedia of Islam and some 100 articles in the Encyclopædia Iranica, as well as articles for Encyclopædia Britannica and Encyclopedia Americana.
He remains best known for his work as editor of the first edition (1913–38) of the standard encyclopedic reference work on Islam, the Encyclopaedia of Islam.
He was also the chief editor of the Encyclopaedia of Islam (vols. i.-iii.), and contributed many articles to periodicals.
Islam | Sunni Islam | Shia Islam | Prophets in Islam | Nation of Islam | Islam Karimov | Islam in the United States | Five Pillars of Islam | Encyclopaedia of Islam | Ahmed Mohamed Islam | Shi'a Islam | Historiography of early Islam | Kazi Nazrul Islam | Islam in Ethiopia | Encyclopaedia Judaica | Darul Islam (Indonesia) | Darul Islam | Saif al-Islam Gaddafi | Obsession: Radical Islam's War Against the West | Naeem Islam | Islam in India | Islam in China | History of Islam in southern Italy | Hijra (Islam) | Chashi Nazrul Islam | Ansar al-Islam | Afrika Islam | Twelver Shi'ah Islam | Polygyny in Islam | Jamiat Ulama-e-Islam Nazryati |