This is the first of two Terra Sacra volumes, which share the aim of changing our understanding of the environmental impact of crusading and colonization in northeastern Europe.

‘This is a brilliant and genuinely ground-breaking book, representing a significant step forward in literary and historical analysis of the Norse-Gaelic interface’.

(Professor Ralph O’Connor, University of Aberdeen)

This volume provides references to the more than 600 surviving medieval books that offer the primary evidence for Richard Rolle's works and their transmission.