Serjeant, R. B. The Saiyids of Hadramawt : an inaugural lecture delivered on 5 June 1956 / by R.B. Serjeant. - London : School of Oriental and African Studies, University of London, 1957. - 29 p. ; ISBN: SSCA1361 Subjects--Topical Terms: Aristocracy (Political science) Dewey Class. No.: 305.52 / Sa