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, Capt. F. Bennet 1883, Col M.S. Bell 1886, Humann & Puchstein's Routes, Oppenheims 'Vom Mittelmeer zum Persischen Goolf' 1893, Capt W. J. Anderson 1902, Karet von Klainasien R. Kiepert 1913 Sheets Malatia and Haleb. Handel Mazetti-Pet:Mitt: Sept 1912 von Urfa nach Malatia, Dr. W. Hinrichs Reise von Mosul nach Aleppa Pet: Mitt: May 1914. Correction to Feb. 1915." With glossary. Set is complete, see index.