@article{williams1997isidore,
  author = {Williams, John},
  interhash = {e79f4ab6a46619cb111749afa8bf30b2},
  intrahash = {10a0935004178a89506b90bd3e1dd0a1},
  journal = {Imago Mundi},
  pages = {7-32},
  title = {Isidore, Orosius and the Beatus Map},
  volume = 49,
  year = 1997
}