@inbook{wendehorst1983johannes,
  address = {Berlin, New York},
  author = {Wendehorst, Alfred},
  booktitle = {Die deutsche Literatur des Mittelalters. Verfasserlexikon},
  interhash = {439a5aa3e83cf69bf2d44f2f9faeb843},
  intrahash = {21190d95b6f6546f68f6c4264cbd7058},
  pages = {Sp. 822-824},
  title = {Johannes von Würzburg I},
  volume = { 4},
  year = 1983
}

@article{schmugge1984anfnge,
  author = {Schmugge, Ludwig},
  interhash = {a10bb18a83c96643a3f3c8c8a70394f1},
  intrahash = {6faa91a571be67ad3b5aa2059cb0331e},
  journal = {Quellen und Forschungen aus italienischen Archiven und Bibliotheken},
  pages = {1-83},
  title = {Die Anfänge des organisierten Pilgerverkehrs im Mittelalter},
  volume = 64,
  year = 1984
}