"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","keyword0","keyword1","keyword2","keyword3","keyword4","keyword5","keyword6","type" "1057","Robert W.","Stookey","Yemen: Revolution versus tradition","1984","The Arabian Peninsula: Zone of Ferment","Robert W.","Stookey","Hoover Institution Press","Stanford","79-108","1962","Aden","National Liberation Front","PDRY","South Yemen","Tribes","YAR","chapter"