Sir Joseph John Talbot Hobbs personal diaries, Vol. IV. (June 30, 1918 to November 20, 1918)
Afterwards to see G.O.C. Aust Corps at BERTANGLES to receive instructions with regard to the command by me of the Aust Corps during his absence. policing passive defence but free hand in administrative matters. XX Last night a dreadful & tragic disaster happened. Men of the Div selected for instructing 58th Div in scouting & patrol work under L'. Neville a good gallant Officer attacked one of our posts (8th Bde under L'. Skinner.) in mistake for a Boche post. 7 of his men were killed he & Sergt & 2 others wounded while a Lewis gunner was killed & several wounded in the post. I have ordered an enquiry. (this occurred close to DERNANCOURT. July 23rd Wet through night showery all day fair vis. Took over command of Aust Corps at 10 a.m. Heavy gas shelling of BOIS de ABBE nearly 600 casualties in 2nd Aust Div. In morning to 8th & 14th Aust Inf. Bde H.Qs. saw both G.Os.C. warned them that only passive defence was to be our policy until we leave the line with fighting patrols. Saw G.O.C. 58th Brit. Div at 8th Bde H.Qs. with regard to the Div taking over part of our front on extreme left. At 9.15 a.m. saw two men convicted by F.G.C.M. for Desertion. decided to recommend their sentences be suspended. At 2.20 p.m. saw D.A.A.C. Aust Corps & went through papers to be dealt with At 3.30 p.m. Gen Butler III Corps Comdr came to D.H.Q. with his G.S.O.II to discuss taking over part of the line we are holding. Bgd. Gen BLAMEY B.G.G.S. Aust Corps present. After full discussion it was decided tentatively to allow 2350 yds 33.