Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Malthus, T. R. (Thomas Robert)","The grounds of an opinion on the policy of restricting the importation of foreign corn : intended as an appendix to ""Observations on the Corn Laws""",,Verlag Wirtschaft und Finanzen,1996,Klassiker der Nationalökonomie,,,,https://cir.nii.ac.jp/crid/1130000793841575296