sentences:  Sayyid Muhammad Abdullah Hassan (1864–1921), the celebrated religious and nationalist leader, also left a considerable amount of manuscripts.One of the better-known examples of Somali Islamic literature is "Maja'mut al-Mubaraka", a work written by Shaykh Abdullah al-Qalanqooli and published in Cairo in 1918.Shaykh Abd Al-Rahman bin Ahmad al-Zayla'i also produced many Islamic-orientated manuscripts in the 19th century.