every leaf has two columns of text written in regular minuscule. the calligraphy, with some decoration, is of a high standard. the parchment was well prepared, though the manuscript has been subject to wear and tear and several folios are now lost. the contents of the manuscript point towards a monastic milieu in leinster as the source of its origin. it has been proposed that killeshin in co. laois was the house responsible for its production.