Brehony, Noel. Yemen divided : the story of a failed state in South Arabia / Noel Brehony. - London ; New York : 2011. - xxii, 257 p., [4] p. of plates : ISBN: 9781848856356 Subjects--Topical Terms: Failed states-History.--Yemen, South Dewey Class. No.: 953.3505 / Ye