'Monasticon Boreale, tomus primus', containing copies by Dodsworth, with sketches of seals, of deeds relating chiefly to the West Ridings of Yorkshire, begun October 1, 1644, in the house of Francis Nevill of Chevet, esq., from the originals at that time in St. Mary's Tower, York. This tower, where the records of the dissolved monasteries were kept, was blown up in the siege of York, when Dodsworth had just finished his work. Some of the documents were saved and taken to the archiepiscopal archives at York, where Dodsworth again saw them.

There are alphabetical indexes of grantors on fols. viii-xi; the transcripts themselves, without logical arrangement, fall sometimes under fees, but usually the grouping is by religious houses, of which the following occur: