@book{oai:nichibun.repo.nii.ac.jp:00001916,
 author = {Seward,  W.},
 month = {Mar},
 publisher = {国際日本文化研究センター, International Research Center for Japanese Studies},
 title = {William H. Seward's travels around the world},
 volume = {2},
 year = {2007}
}