@incollection{beazley1897modern,
  address = {London },
  author = {Beazley, C. Raymond},
  booktitle = { The Dawn of Modern Geography},
  interhash = {e8082d57f1bc636e87b07841bccff443},
  intrahash = {650a2308d0ddb17e012759f65ecb74b0},
  pages = {xi-xvi},
  series = {The Dawn of Modern Geography},
  title = {A History of Exploration and geographical Science from the Conversion of the Roman Empire to A.D. 900, with an Account of the Achievements and Writings of the early Christian, Arab, and Chinese Travellers and Students, },
  volume = 1,
  year = 1897
}

@article{LILLEY,
  author = {Lilley, Keith D.},
  interhash = {7088a42aaeb17846a8738a00760f6bf4},
  intrahash = {b1b776a37e62aca4aa9a1c74f5d19793},
  journal = {Transactions of the Institute of British Geographers},
  pages = {296-313},
  title = {Cities of God? Medieval urban forms and their Christian symbolism},
  volume = 29,
  year = 2004
}