Columbia subject headings:
Harvard subject headings:
Haig, Douglas Haig, Earl, 1861-1928.
World War, 1914-1918--Campaigns--Western Front
World War, 1914-1918--Great Britain
Princeton subject headings:
Haig, Douglas Haig, Earl, 1861-1928.
World War, 1914-1918--Campaigns--Western Front.
World War, 1914-1918--Great Britain.