This article investigates and compares the origins, intentions contents of two biographical collections from South Arabia. The first, al-SulÅ«k fÄ« á¹abaqÄt al-Ê¿ulamÄÌ wa-l-mulÅ«k, was written by al-JanadÄ«, who held important legal administrative positions for RasÅ«lid court during first part 8th/14th century. collection mainly emerges an earlier Yemeni historiographical work, which descr...