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 "George, Henry","Protection or free trade : an examination of the tariff question, with especial regard to the interests of labor",,AMS Press,1973,The complete works of Henry George,,0404028047,,https://cir.nii.ac.jp/crid/1130282272188863232