University of Wales Research and Publications Committee.
The Centre for Advanced Welsh and Celtic Studies.
Bangor University web team.
Mr Daniel Huws, for sharing his expertise on the manuscripts.
Dr Christine James for sharing her work on manuscript S, and giving us permission to use her conspectus.
Dr Angharad Elias for sharing her work on manuscript H, and giving us permission to use her conspectus.
Prof Paul Russell for his work as deputy director of the project, and for his substantial contribution to the work.
Prof Thomas Charles-Edwards, Prof Huw Pryce and Prof Robin Chapman Stacey for their valuable comments.
The British Library, Jesus College, Oxford, Trinity College, Cambridge and the National Library of Wales for allowing us to use images from the manuscripts.