Group portrait of officers at the British Staff College at Camberley, England, 1906. Archibald Montgomery, then a captain, is stood in the back row, second on the right.
Sir Douglas Haig with his army commanders and their chiefs of staff, November 1918. Front row, left to right: Sir Herbert Plumer, Sir Douglas Haig, Sir Henry Rawlinson. Middle row, left to right: Sir Julian Byng, Sir William Birdwood, Sir Henry Horne. Back row, left to right: Sir Herbert Lawrence, Sir Charles Kavanagh, Brudenell White, Percy, Louis Vaughan, Archibald Montgomery-Massingberd, Hastings Anderson.