Columbia subject headings:
Harvard subject headings:
Iraq--History--20th century.
World War, 1914-1918--Campaigns--Iraq
World War, 1914-1918--Campaigns--Iraq--Baghdad.
World War, 1914-1918--Campaigns--Iraq--Basṛah.
World War, 1914-1918--Campaigns--Iraq--Mosul.
Princeton subject headings:
Commonwealth countries--Armed Forces--History--World War, 1914-1918.
Turkey--History--Ottoman Empire, 1288-1918.
World War, 1914-1918--Campaigns--Iraq.