"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","keyword0","keyword1","keyword2","type" "1089","Manfred W.","Wenner","South Yemen since independence: An Arab political maverick","1984","Contemporary Yemen: Politics and Historical Background","B.R.","Pridham","Croom Helm","London","125-46","History","National Liberation Front","PDRY","chapter"