Online Medieval Sources Bibliography

An Annotated Bibliography of Printed and Online Primary Sources for the Middle Ages

Source Details

O'Meara, John J., trans.; Sheldon-Williams, trans., Jeauneau, Edouard A., ed., Periphyseon (De Divisione Naturae), Liber Quartus (Scriptores Latini Hiberniae. Dublin Institute for Advanced Studies)

Text name(s): Periphyseon; De Divisione Naturae

Number of pages of primary source text: 276


Dates: 866 - 866

Archival Reference: 

Original Language(s): 

  • Greek
  • Latin


  • Translated into English.
  • Original language included.

Translation Comments: Facing page.

Geopolitical Region(s): 

  • British Isles
  • France
  • Ireland


Record Types: 

  • Philosophic Work

Subject Headings: 

  • Philosophy / Theology
  • Piety


  • Introduction


Written by a ninth-century Irish scholar working in France, Periphyseon is a theological/philosophical text which organizes all of nature based on its relationship to the process of creation and discusses the soul’s relationship to God in terms heavily influenced by Platonic thought. Discusses the Trinity, the Incarnate Word, commentary on the sixth day of Creation in Genesis.

Introduction Summary: 

Introduction (xi-xl) discusses the themes of Periphyseon IV, the manuscripts used.

Cataloger: JMG