This is the list of textual witnesses and their sigla. It can be updated as necessary, if any other witnesses are found.
The identifiers for the printed editions are:
W: Browne Willis, An History of the Mitred Parliamentary Abbies, and Conventual Cathedral Churches, Shewing the Times of Their Respective Foundations, and what Alterations They Have Undergone... vol. II (1719: this is the transcription done by Jonah J. that we're using as the base text)
S: John Stevens, The History of the antient abbeys, monasteries, hospitals, cathedral and collegiate churches. Being two additional volumes to Sir William Dugdale... (London, 1722-23), vol. II, Appendix doc. 464 (https://archive.org/details/b30454529_0003/page/372).
J: Theophilus Jones, A History of the County of Brecknock Vol. II (Brecknock, 1809; 2nd edn., 1898), Appendix doc. IX (at https://babel.hathitrust.org/cgi/pt?id=coo.31924096162064&view=1up&seq=724)
For the manuscripts:
R: The National Archives, Chancery Patent Rolls, C 66/709
C: St John's College, Cambridge, MS. H.12
D: National Library of Wales, Chapter of St Davids manuscripts, SDCh/B/23
O: British Library, Harley MS 1249
H: National Library of Wales, Chapter of St Davids manuscripts, SDCh/B/24
I: National Library of Wales, Chapter of St Davids manuscripts, SDCh/B/25
M: National Library of Wales, Chapter of St Davids manuscripts, SDCh/B/29 (published early 20th century as Menevia Sacra; includes a partial copy of the Brecon charter)
This is the list of textual witnesses and their sigla. It can be updated as necessary, if any other witnesses are found.
The identifiers for the printed editions are:
For the manuscripts: