Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
Great Britain. War Office. General Staff. Geographical Section and Great Britain. Ordnance Survey and Canada. Department of Militia and Defence,Brockville,,Geographical Section of the General Staff at the Ordnance Survey Office,1912,GSGS,,,,https://cir.nii.ac.jp/crid/1130000794582678016