Elias John Wilkinson Gibb, History of Ottoman Poetry, Volume 1, London, 1900. excerpt from pg 202: "..the next work in Turkish poetry is versified translation of Sa'adi's Bustan or 'Orchard' made in 755 by the great and famous Persian schoolmen Sa'd-ud-Din Me'sud-i-Teftazani."
Roy Mottahedeh, The Mantle of the Prophet; Momen, Introduction to Shi'i Islam.
