Contents of Introduction
| Project Team | The Poet (Welsh only) |
| Acknowledgements | The Literary context |
| Copyright | Metrics (Welsh only) |
| Explication of cynghanedd (Welsh only) | |
| Abbreviations | The Musical background |
| Bibliography (Welsh only) | Principles of the edited texts |
| Thematic division of poems | Authorship |
| First lines | The Apocrypha |
| Titles | The Manuscript tradition |
| Concordance | Conventions use in transcriptions and stemmas |
| List of manuscripts | Concert 4 April 2007 |
| Database of manuscripts and poems | Recording of Sir Thomas Parry reading part of 'Y Gwynt' |