In his final days in office Murray issued a paper urging concentration of effort on the Western Front (16 December 1915) which was described by Robertson as the “Bible of the war”.
I hans sidste dage på posten udsendte Murray en skrivelse, der tilskyndede til at man koncentrerede indsatsen om Vestfronten (16. december 1915), hvilket af Robertsen blev betegnet som “Krigens bibel”.