@incollection{schur1980jerusalem,
  address = {Jerusalem},
  author = {Schur, Nathan},
  interhash = {f108045d06efa1504a115e834082f01d},
  intrahash = {2d9c5c98fb35cee59fe6382efd8d07d7},
  pages = {9-143},
  title = {Jerusalem. In Pilgrims and Travellers’ Accounts. A thematic Bibliography of Western Christian Itineraries 1300-1917},
  year = 1980
}

@article{lahrkamp1956mittelalterliche,
  author = {Lahrkamp, Helmut},
  interhash = {0da482fe84e9e40236d4a7c9a9aeb3ed},
  intrahash = {ec8d53f1dc766257ad16a0ce99191029},
  journal = {Westfälische Zeitschrift. Zeitschrift für vaterländische Geschichte und Altertumskunde},
  pages = {269-346},
  title = {Mittelalterliche Jerusalemfahrten und Orientreisen westfälischer Pilger und Kreuzritter},
  volume = 106,
  year = 1956
}