@Incollection{catherine2004intelligent,
  author = {Delano-Smith, Catherine},
  title  = {The intelligent pilgrim: maps and medieval pilgrimage to the Holy Land},

  year   = {2004},
  number = {},
  url    = {},

  const  = {\ text}
}
@Incollection{den2003erausragende,
  author = {von den Brincken, Anna-Dorothee},
  title  = {Herausragende Plätze der antiken Geschichte im Bild der mittelalterlichen Ökumene-Karte (9. bis beginnendes 14. Jahrhundert)},

  year   = {2003},
  number = {},
  url    = {},

  const  = {\ text}
}
@Incollection{gautier2000connaissance,
  author = {Gautier Dalché, Patrick},
  title  = {Connaissance et usages Géographiques des coordonnées dans le Moyen Âge latin (du venerable bède à Roger Bacon)},

  year   = { 2000},
  number = {},
  url    = {},

  const  = {\ text}
}
@Incollection{den1994occeani,
  author = {von den Brincken, Anna-Dorothee},
  title  = {Occeani Augustior Latitudo. Die Ökumene auf der Klimatenkarte des Pierre d’Ailly},

  year   = {1994},
  number = {},
  url    = {},

  const  = {\ text}
}
@Article{arnold1990imago,
  author = {Bühler, Arnold},
  title  = {Imago Mundi. Bilder aus der Vorstellungswelt des Mittelalters},
  journal = {Geschichte in Wissenschaft und Unterricht},
  year   = {1990},
  number = {12},
  url    = {},

  const  = {\ text}
}