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 Cohen, J. M. (John Michael) The four voyages of Christopher Columbus : being his own log-book, letters and dispatches with connecting narrative drawn from the Life of the Admiral by his son Hernando Colon and other contemporary historians Penguin 1969 Penguin classics 0140442170 https://ci.nii.ac.jp/ncid/BA24866284