Artillery survey in the First World War
Bragg, William Lawrence,Sir,1890-1971.
Dowson, Arthur Henley.
Hemming, Henry Harold.
Field Survey Association.
Elstree (c/o Capt. N.C. Gray, 5 Links Drive, Elstree, Herts.) Field Survey Association
1971
Great Britain. Army. Royal Engineers
World War, 1914-1918