Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
農商務省 and 地質調査所,山形縣最上油田地形及地質圖 = Topographical and geological map of the Mogami Oil Field Yamagata Prefecture,,"地質調査所,東陽堂 (發賣)",1922,大日本帝國油田 = The oil field of the Japanese Empire,,,,https://cir.nii.ac.jp/crid/1130000797426230784