@article{HARVEY,
  author = {Harvey, Paul D.A.},
  interhash = {f19c8bce96bf1a9eea6c1a97ad3cfee2},
  intrahash = {e6cdb2c39800d754b902516b639c6fbe},
  journal = {Imago Mundi. The International Journal for the History of Cartography},
  pages = {101-102},
  title = {Medieval English Maps and Plans},
  volume = 23,
  year = 1969
}