@incollection{zaluska1984composition,
  address = {Madrid},
  author = {Zaluska, Yolanta},
  booktitle = { El “Beato” de Saint-Sever, ms. lat. 8878 de la Bibliothèque nationale de Paris},
  interhash = {6c9450b3bb19976f744178da1c964189},
  intrahash = {5ce1b0c7e7a4d57b038ca918ce171b07},
  pages = {43-54},
  title = {Composition materielle du manuscrit et organisation du travail entre scribes et artistes},
  year = 1984
}

@incollection{williams2002illustrated,
  address = {London},
  author = {Williams, John},
  interhash = {c9324f50cb6e77a984cd566b022eace4},
  intrahash = {7698a7c89fd40fbd72281a64a73202b7},
  pages = {6-51},
  title = {The illustrated Beatus. A Corpus of the Illustrations of the Commentary on the Apocalypse},
  volume = {5: The Twelfth and the Thirteenth Centuries},
  year = 2002
}

@incollection{williams2002illustrated,
  address = {London/Turnhout},
  author = {Williams, John},
  interhash = {c9324f50cb6e77a984cd566b022eace4},
  intrahash = {f24f4289a958212dd0b1d548323cc244},
  pages = {6-47 und 313-320},
  title = {The illustrated Beatus. A Corpus of the Illustrations of the Commentary on the Apocalypse},
  volume = {Volume Four: The Eleventh and Twelfth Centuries},
  year = 2002
}

@article{williams1997isidore,
  author = {Williams, John},
  interhash = {e79f4ab6a46619cb111749afa8bf30b2},
  intrahash = {10a0935004178a89506b90bd3e1dd0a1},
  journal = {Imago Mundi},
  pages = {7-32},
  title = {Isidore, Orosius and the Beatus Map},
  volume = 49,
  year = 1997
}

@incollection{williams1992introduction,
  address = {Valencia},
  author = {Williams, John},
  booktitle = {Apocalipsis Beati Liebanensis. Burgi Oxomensis},
  editor = {Williams, John},
  interhash = {71ee0411b8a12f7f752dc2bb06be2e9f},
  intrahash = {f1df05ea65411cb9c4f4f742e3bdf621},
  pages = {9-27},
  series = {Estudio 2},
  title = {Introduction},
  year = 1992
}