1. During the day, the Royal Flying Corps dropped twenty-two tons of bombs in the Somme area alone and fired well over 300,000 rounds of ammunition.

1. Second Lieutenant McLeod was evacuated to Canada, where he died of his injuries on 6 November 1918. He is buried in Kildonan Cemetery, Winnipeg.

1. The corporal did not survive the war, and Jamieson was most distressed when he was killed later in the year.

1. On modern maps these roads, from north to south, are the D979, the N29 and the D934.

1. During their March offensive the Germans expended two and a half times the amount of ammunition they had fired during the whole of the Franco-Prussian War.