@book{ BA89395682,
  author    = "伊藤, 愿 and 松方, 恭子 ",
  title     = "妻におくった九十九枚の絵葉書 : 伊藤愿の滞欧日録",
  publisher = "清水弘文堂書房",
  year      = "2008",
  URL       = "https://ci.nii.ac.jp/ncid/BA89395682"
}