There is a growing collection of WW1-related Balliol resources online HERE. Included (so far) are:
The complete Balliol College War Memorial Book (2 vols, 1924). This is an invaluable biographical source for details of each of the Balliol men who died in WW1, including three college servants and those who were admitted to the college but were never able to take up their membership.
The complete 2nd edition of the Balliol College Register (1934), covering Balliol matriculations 1833-1933 and including all who served (not only British and Allied forces) in WW1 – except college servants, of whom those who died are included in the War Memorial Book, above.
Early volumes of the Balliol College Annual Record, the old members’ magazine, starting in 1914-15. This includes summaries of College life during the war years as well as updates on serving Old Members.
The manuscript diary of Alfred Balmforth, 1892-1917 (Balliol 1911), including his record of life at Balliol, Army training and the early part of his active service.
Letters from France by Capt. Arthur Hugh Sidgwick (1882-1917, Balliol 1901) to his family, particularly his sister Ethel, 1916-1917, containing detailed accounts of fighting, life in the Army, etc. With newspaper cutting of his obituary.
JHB Armstrong’s photo album covering his time as an Australian officer cadet in Balliol July-October 1917.
‘The Souvenir‘ magazine of A Company, 6th officer Cadet Battalion, 10 Nov. 1917-26 Feb. 1918
‘The Souvenir‘ magazine of A Company, 6th officer Cadet Battalion, 5 April 1918 – 23 Oct. 1918
‘The Club at War’ is the WW1 edition of the Balliol Boys’ Club magazine, issues 1-11 [complete], 1916-1919.
FF Urquhart’s photo album covering the period 1914-18 provides an evocative look at the involvement of Balliol men in the First World War.
An edition by FF Urquhart of Stephen Hewett (Balliol 1911)’s A Scholar’s Letters From the Front is also available online via archive.org, HERE.
An edition by his mother of Arthur Innes Adam (Balliol 1912)’s letters, Arthur Innes Adam, 1894-1916. A record founded on his letters is available online via archive.org HERE.
Balliol’s memorial plaques, inscriptions, etc, including those for the fallen in both world wars, are listed HERE