- 201-210.
- Is-gyfres
Dangos 12 canlyniad
Disgrifiad archifol- 476-479.
- Is-gyfres
- 2406-2507.
- Is-gyfres
- 1909.
- 2508-2700.
- Is-gyfres
- 1826-1945.
- 2789-2791.
- Is-gyfres
- 1903-1905.
Addresses, articles etc. in Welsh,
- 344-475.
- Is-gyfres
- 1925-1948.
- 585-2285.
- Is-gyfres
- 1902-1948.
Arranged into letters in alphabetical order by writer, 1902-1948 (585-1971), and letters of congratulation on his election to Parliament, 1923-1924 (1972-2285).
- 2286-2405.
- Is-gyfres
- 1900-1944.
Christmas cards and visiting cards.
- 2703-2775.
- Is-gyfres
- 18-22.
- Is-gyfres
Addresses, articles etc. in English,
- 23-343.
- Is-gyfres
- 1915-1948.
- 2701-2702.
- Is-gyfres
- 1906-1912.