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
"Humboldt, Alexander von and Varnhagen von Ense, Karl August and Assing, Ludmilla, d. 1880","Letters of Alexander von Humboldt, written between the years 1827 and 1858, to Varnhagen von Ense : together with extracts from Varnhagen's diaries, and letters from Varnhagen and others to Humboldt",,Cambridge University Press,2009,Cambridge library collection,,9781108004619,,https://cir.nii.ac.jp/crid/1130282269840724224