Raunkiaer, Barclay, 1889-1915. Through Wahhabiland on camelback / With an introd. by Gerald de Gaury. - London : Routledge & Kegan Paul, 1969 - xii, 156 p. ill. ; 23 cm. - Travellers and explorers . Includes bibliographical footnotes and index Subjects--Geographic Terms: Arabian Peninsula--Description and travel. Dewey Class. No.: 915.3 / RAT 1969