@book{ BC10508473,
  author    = "Henri, de Valenciennes and Villehardouin, Geoffroi de, d. ca. 1212 and Buchon, Jean Alexandre",
  title     = "Chronique des empereurs Baudoin et Henri de Constantinople",
  publisher = "Research Publications",
  year      = "1996",
  edition   = "[Microfiche ed.]",
  series    = "Western books : the Middle East from the rise of Islam",
  number    = "unit 7, fiches 6666-6669",
  URL       = "https://ci.nii.ac.jp/ncid/BC10508473"
}