Great Britain. War Office. Intelligence Division. I.D.W.O. no. 1522. Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. no. 1522. Relief shown by form lines and spot heights. Some sheets from this set were revised and issued by War Office. Geographical Section. General Staff, published as G.S.G.S. no. 1522, 1522a. Series covers Mesopotamia and eastern Anatolian parts of Ottoman Empire. "Compied at the Intelligence Division, War Office by Major F.R. Maunsell, R.A. from Col. H. Chermside 1889, Oppenheim's 'Vom Mittelmeer zum Persischen Golf' 1893, Karet von Kleinasien - R. Kiepert - sheets Haleb 1911 & Nisibin 1914, Saare & Herzfeld - Archaeologische Reise in Euphrat & Tigris Gebiet 1908, Dr. Hinrichs - Reise Mosul nach Aleppo - Pett. Mitt. July 1914 Capt. M.Sykes 3rd Batt. Yorks. Regt. 1906." With glossary. Set is complete, see index.
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