Millingen, Charles, Dr., fl. 1874. Relief shown by hachures. Major mountains, wadis, and settlements are shown. Author's route shown in red. From: The Journal of the Royal Geographic... London : John Murray, 1874.
2. Map of the southern coast of Arabia shewing the route of Captain S. B. Miles & Werner Munzinger, in 1870
Munzinger, Werner, 1832-1875. Relief shown by hachures. Territories of major tribes are labeled. From: The Journal of the Royal Geographical Society of London. Vol. 41 (1871), p... London : published for the Journal of the Royal Geographical Society, by J. Murray, Albemarle Street, 1871.
Relief shown by hachures and shading. Major rivers and dry riverbeds are shown. Major settlements and tribal territories are shown. From: The Journ... London : John Murray, 1873.
United States. Central Intelligence Agency. Cartography Center. Relief shown by shading. Universal transverse Mercator grid. Ancillary maps: Physical features -- Population density -- Economic activity -- Distri... [Washington, D.C.] : [Central Intelligence Agency], 2002.