"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","keyword0","keyword1","keyword2","keyword3","type" "948","Helen","Lackner","The rise of the National Liberation Front as a political organization","1984","Contemporary Yemen: Politics and Historical Background","B.R.","Pridham","Croom Helm","London","46-62","History","National Liberation Front","Politics","South Yemen","chapter"