"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","keyword0","keyword1","keyword2","keyword3","keyword4","keyword5","keyword6","type" "1026","Robert B.","Serjeant","South Arabia","1977","Commoners, Climbers and Notables: A Sampler of Studies on Social Ranking in the Middle East","C.A.O.","van Nieuwenhuijze","E.J. Brill","Leiden","226-47","Ascribed","Jews","Kafaah","Sayyids","Slaves","Status","Tribes","chapter"