- 18-22.
- Is-fonds
- 1979-1995.
Rhan oRon Davies Papers,
The original chronological arrangement of the papers has been preserved.
Dangos 3 canlyniad
Disgrifiad archifol- 23-88.
- Is-fonds
- 1984-1997.
Rhan oRon Davies Papers,
The original arrangement of the papers has been preserved.
- 1-17.
- Is-fonds
- 1883-1994.
Rhan oRon Davies Papers,
The original arrangement of the papers has been preserved. Numbers 1-6 are arranged alphabetically by the surname of the correspondent or by the subject under consideration, whilst numbers 7-17 are filed in chronological order.