English-language Volumes
- Title page
- Preface: ix-xi
- Editor's Introduction: xiii - xviii
- Explanatory notes: xix-xxiii
- Contributors: xxv-xxxiii
- Abbreviations: xxxv-lvii
- Corrections and additions: lviii
- Title page
- Preface: ix
- Foreword: xi-xii
- Contributors: xiii-xviii
- Additional abbreviations: xix-xxi
- Index to contributors and their articles: 383-449
The Dictionary of Welsh Biography down to 1940, ed. John Edward Lloyd and R. T. Jenkins (London, 1959)
The Dictionary of Welsh Biography 1941-1970, ed. R. T. Jenkins, E. D. Jones and Brynley F. Roberts (London, 2001)
Welsh-language Volumes
- Wyneb-ddalen/Title page
- Cyflwyniad/Introduction: ix-xi
- Rhaglith/Preface: xiii-xix
- Yr Ysgrifwyr/Contributors: xxi-xxvii
- Byrfoddau/Abbreviations: xxix-lii
- Gwelliannau/Corrections and additions: liii-liv
- Wyneb-ddalen/Title page
- Cyflwyniad/Introduction: ix
- Rhagair/Preface: xi-xiv
- Ol-Nodiad/Endnote: xv
- Yr Ysgrifwyr/Contributors: xvii-xix
- Byrfoddau ychwanegol/ Additional abbreviations: xx
- Wyneb-ddalen/Title page
- Cyflwyniad/Introduction: viii
- Rhagair/Preface: ix
- Yr Ysgrifwyr/Contributors: x-xiii
- Byrfoddau ychwanegol/ Additional abbreviations: xiv-xvi