Address card, correspondence between Oxford Development Records Project and Walker's executor; account by Walker of the advance of the 22nd East Africa Infantry Brigade from Garissa to Gimma (Italian Somaliland) in 1941; list of races to be run at Enda Jesus, August 1941; photographs relating to the 22nd East Africa Infantry Brigade advance, 1941; account of the advance of the 11th East Africa Division from the River Tana to Addis Ababa in 1941, with relevant photographs. responses to aide-memoire, photographs relating to service with the King's African Rifles, [c1939-1984].