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 "Young, Arthur","A six months tour through the north of England, letter XVI, XVIII, XXXIV, XXXVI, XXXVII, XXXVIII, XXXIX, XL, XLI ; The farmer's tour through the east of England, letter LII, LIII, LIV, LX ; The question of scarcity plainly stated and remedies considered",,Eureka Press,2006,Conceptual origins of Malthus's 'Essay on population',,,,https://cir.nii.ac.jp/crid/1130282268920230144