Personal diaries relating to Gibson's service with 15 (Service) Bn, (1 Glasgow) Highland Light Infantry and 4 Army Intelligence Section, on the Western Front during World War One, 1915-1917; war diary and photograph album of a tour of duty with 56 Frontier Force Rifles (2 Bn, 13 Frontier Force Rifles) in Asad Khal and Razmak, North West Frontier, India, 1922-1923; unofficial war history of the 56 Frontier Force Rifles from 1942-1946, [1951].