"id","author_first1","author_last1","title","year","type","university","place","keyword0","keyword1","keyword2","keyword3" "1126","William Fleming","Barns","Conflict and Commitment: The Case of the Yemens","1980","dissertation","U.S. Naval Postgraduate School","Alexandria, VA","PDRY","PDRY-PRC","PDRY-USSR","YAR-USA"