Before 1990 no-one knew that over a thousand Welsh legal documents were filed at the Welsh National Library. These probate documents comprise wills, estate lists, letters and other documents which reveal effective and diverse use of the Welsh language. In this book we can listen to the last words and wishes of Welsh men and women from 1560 until 1858.

• Rhagair
• 1 – Tameidiau i Aros Pryd
• 2 – Ceffyl Da yw Ewyllys
• 3 – Chwilio am y Gymraeg
• 4 – Arloeswyr: Hugh ap Siôn ac Owain Griffith
• 5 – Ewyllysiau Merched: Margaret Griffith ac Eraill
• 6 – Pwy oedd y Cymynwyr?
• 7 – Y Mân Foneddigion
• 8 – Tafodiaith y Gogledd
• 9 – Lleisiau’r De
• 10 – Trafferthion Teuluol
• 11 – Problemau Profeb
• 12 – Costau Clefyd a Chladdedigaeth
• 13 – Y Gwŷr a Garai Lyfrau
• 14 – Ysgrifenwyr Ewyllysiau Cymraeg
• 15 – Eiddo’r Werin
• 16 – Pennod Fer Iawn am Ystadegau
• 17 – Termau Dethol
• Llyfryddiaeth