Columbia subject headings:
Soldiers--Turkey--History--20th century.
Trenches--History--20th century.
Turkey--History--Ottoman Empire, 1288-1918.
World War, 1914-1918--Campaigns--Turkey.
Harvard subject headings:
Soldiers--Turkey--History--20th century.
Trenches--History--20th century.
Turkey--History--Ottoman Empire, 1288-1918
World War, 1914-1918--Campaigns--Turkey
Princeton subject headings:
Soldiers--Turkey--History--20th century.
Trenches--History--20th century.
Turkey--History--Ottoman Empire, 1288-1918.
World War, 1914-1918--Campaigns--Turkey.