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. "Compiled for the Geographical Section, General Staff, War Office, by Lieut. Col. F.R. Maunsell, C.M.G. [from] 'Vom Mittelmeere zum Persischen Golf' by Max Freiherr von Oppenhim, 1893, Saare & Herzfeld Archeologische Reise im Euphrat u. Tigris Gebeit, 1908, Ostrup Hist. Topogr: Bedrag til Kendskabet til den synske Orken, 1893, Capt. M. Sykes, 1899." With Glossary. Set complete, see index.
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