@article{BIRKHOLZ,
  author = {Birkholz, Daniel},
  interhash = {7eb91a76fb0f81687eb9707d268a476b},
  intrahash = {4eb6d9f53b43b444ddc77d93770bf7a5},
  journal = {Journal of Medieval and Early Modern Studies},
  pages = {585-618},
  title = {Mapping Medieval Utopia: Exercises in Restraint},
  volume = 36,
  year = 2006
}

@incollection{MARINO,
  address = {Chicago, London},
  author = {Marino, John},
  booktitle = {Monarchs, Ministers and Maps. The Emergence of Cartography as a Tool of Government in Early Modern Europe},
  editor = {Buisseret, David},
  interhash = {032e89116ec683b328863d015fe81dae},
  intrahash = {0be1664a29f17995c82197015b3c1946},
  pages = {5-25},
  title = {Administrative Mapping in the Italian States},
  year = 1992
}