the 'Asir, and the Hijaz Mountains (页面存档备份,存于互联网档案馆), by WilfredThesiger(英语:WilfredThesiger) Hijaz Mountains (页面存档备份,存于互联网档案馆) (YouTube) Lightning Clouds
Directory of the United States Congress. [2019-05-19]. Paul Lewis. WilfredThesiger, 93, Dies; Explored Arabia. The New York Times. 27 August 2003: B 10