Fifty-three files of unbound material accumulated by Bradney during the preparation of A History of Monmouthshire and containing press and proof copies, transcripts and abstracts of, and extracts from, manuscripts, deeds and documents, holograph and autograph letters, pedigrees and genealogical notes, press cuttings, etc., generally arranged under parishes. Much of the material is in the autographs of friends and official copyists. This volume contains pedigrees compiled from the original manuscript in the College of Arms of the heraldic visitation of Herefordshire and Monmouthshire, 1683, with an index.

One of eleven volumes of pedigrees compiled by Bradney from manuscript notes in his possession and from printed sources, together with miscellaneous abstracts, transcripts and genealogical notes. This volume contains pedigrees of families, principally of Monmouthshire and Herefordshire, with a draft index of names and miscellaneous insets.

A volume of pedigrees of Monmouthshire and Herefordshire and some other families transcribed, with an index of places, in 1904 by John Hobson Matthews ('Mab Cernyw'), Monmouth, from 'Llyfr Baglan'. The original volume was compiled during the years 1600-1607; it was to be edited in full by Joseph Alfred Bradney under the title of Llyfr Baglan or the Book of Baglan (London, 1910).

Transcripts by J. Hobson Matthews. They include extracts from Cornish parish registers relating to members of the Bramwell family and from South Wales parish registers and other sources relating to members of the Proger family, copies of wills, pedigrees and public records concerning Catholic and other families in South Wales and Herefordshire, notes on old Welsh customs, a recipe for mead, etc.