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
"United States. Work Projects Administration. National Research Project and Newcomb, Robinson and Merrill, Charles White and Kiessling, R. L.","Employment and income from gold placering by hand methods, 1935-37",,"Work Projects Administration, National Research Project",1940,Report,,,,https://cir.nii.ac.jp/crid/1130000795709166080