The corps was formed as the Right Wing Group of the Mahmut Kâmil Pasha's Third Army on June 7, 1915 and commanded by Halil Bey. In a rearrangement of operational field commands, Mahmut Kâmil Pasha redesigned this unit as the Provisional Halil Corps.[1]
On September 20, 1915, the Provisional Halil Corps was re-designated as the XVIII Corps of the Ottoman Army.[2] In late Summer 1915, the corps was structured as follows:[5]
^ abEdward J. Erickson, Ottoman Army Effectiveness in World War I: A comparative study, Routledge, 2007, ISBN978-0-415-77099-6, p. 72.
^ abEdward J. Erickson, Ottoman Army Effectiveness in World War I: A comparative study, Routledge, 2007, ISBN978-0-415-77099-6, p. 73.
^T.C. Genelkurmay Harp Tarihi Başkanlığı Yayınları, Türk İstiklâl Harbine Katılan Tümen ve Daha Üst Kademelerdeki Komutanların Biyografileri, Genkurmay Başkanlığı Basımevi, Ankara, 1972, p. 162. (in Turkish)
^Edward J. Erickson, Defeat in Detail, The Ottoman Army in the Balkans, 1912–1913, Westport, Praeger, 2003, p. 103.
^Edward J. Erickson, Order to Die: A History of the Ottoman Army in the First World War, Greenwood Press, 2001, ISBN0-313-31516-7, p. 109.
^Edward J. Erickson, Order to Die: A History of the Ottoman Army in the First World War, Greenwood Press, 2001, ISBN0-313-31516-7, p. 126.
^Edward J. Erickson, Order to Die: A History of the Ottoman Army in the First World War, Greenwood Press, 2001, ISBN0-313-31516-7, p. 134.
^Edward J. Erickson, Order to Die: A History of the Ottoman Army in the First World War, Greenwood Press, 2001, ISBN0-313-31516-7, p. 154.
^Edward J. Erickson, Order to Die: A History of the Ottoman Army in the First World War, Greenwood Press, 2001, ISBN0-313-31516-7, p. 170, 181.
^Edward J. Erickson, Order to Die: A History of the Ottoman Army in the First World War, Greenwood Press, 2001, ISBN0-313-31516-7, p. 197.