Columbia subject headings:
Baghdad (Iraq)--History--20th century.
World War, 1914-1918--Campaigns--Iraq.
Harvard subject headings:
Baghdad (Iraq)--History--20th century.
Great Britain--Foreign relations--Iraq.
Iraq--Foreign relations--Great Britain.
Princeton subject headings:
Baghdad (Iraq)--History--20th century.
World War, 1914-1918--Campaigns--Iraq.