Cole, Donald Powell. Nomads of the nomads : the AÌ„l Murrah Bedouin of the Empty Quarter / Donald Powell Cole. - Chicago : Aldine Pub. Co., 1975. - 179 p. : ill. ; 22 cm. - Worlds of man . Bibliography: p. 165-170. Subjects--Topical Terms: AÌ„l Murrah (Arab tribe) Bedouins--Saudi Arabia. Subjects--Geographic Terms: Saudi Arabia--Social life and customs. Dewey Class. No.: 301.45/19/35