Columbia subject headings:
Harvard subject headings:
Baghdad (Iraq : Province)--History--19th century.
Baghdad (Iraq : Province)--History--20th century.
Iraq--History--1534-1921.
Turkey--History--Ottoman Empire, 1288-1918.
Princeton subject headings:
Iraq--History--1534-1921.
Iraq--Social conditions--1534-1921--Sources.
Turkey--History--Ottoman Empire, 1288-1918.