@Article{ashtor1985venezia,
  author = {Ashtor, Eliyahu},
  title  = {Venezia e il pellegrinaggio in Terrasanta nel basso medioevo},
  journal = {Archivo storico italiano},
  year   = {1985},
  number = {},
  url    = {},

  const  = {\ text}
}
@Incollection{woldan1980bernhard,
  author = {Woldan, Erich},
  title  = {Bernhard von (vom) Breidenbach},

  year   = {1980},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inbook{honemann1978arnold,
  author = {Honemann, Volker},
  title  = {Arnold von Harff},

  year   = {1978},
  number = {},
  url    = {},

  const  = {\ text}
}