"The Hundred Days Offensive, August-november 1918" British soldiers and civilians on the steps of the Cambrai Cathedral leaving after the Mass, 13 October 1918. The Chaplain is Reverend R. Rockliffe of the Society of Jesus (SJ). The tall officer on the left of the two women is Dr Harligan, of Dublin, the Assistant Director Medical Services (ADMS) of the 19th Division. On the right of the British Chaplain is Major P. R. Butler, also of the 19th Division.