@Incollection{gautierdalche2005cartes,
  author = {Gautier Dalché, Patrick},
  title  = {Cartes de Terre Sainte, cartes de pèlerins},

  year   = {2005},
  number = {},
  url    = {},

  const  = {\ text}
}
@Incollection{harvey2001matthew,
  author = {Harvey, Paul D.A.},
  title  = {Matthew Paris’s Maps of Palestine},

  year   = {2001},
  number = {},
  url    = {},

  const  = {\ text}
}