著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Gannett, S. S. and Baldwin, D. H. and United States. Dept. of the Interior and Geological Survey (U.S.)","Results of spirit leveling in Ohio, 1898 to 1908, inclusive",,U.S. Government Printing Office,1909,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282272060320896