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 "Þorðarson, Matthias, 1877 and Walters, Thorstina Jackson and Stefansson, Vilhjalmur",The Vinland voyages,,American Geographical Society,1930,American Geographical Society research series,,,,https://cir.nii.ac.jp/crid/1130000797282685184