1920. Gross, Alexander, 1879-1958. Relief shown by hachures and spot heights.; Inset: Aden protectorate.; Areas colored to indicate British, French, Arab, or Turkish, Armenian and Ku... Geographia Ltd (London).
1920. Gross, Alexander, 1879-1958. Relief shown by hachures and spot heights.; "159" and "160" in upper margin. 46 x 60 centimeters Scale 1:3,800,000 General Map Collection. Geographia Ltd (London).