- 341-347 etc.
- Cyfres
- 1564-1675.
Dangos 385 canlyniad
Disgrifiad archifol- 999-1002 etc.
- Cyfres
- 1748-1756.
- 448-450 etc.
- Cyfres
- 1764-1772.
- 1025-1026 etc.
- Cyfres
- 1779-1785.
Deeds and documents (rectory, tithes etc.)
- 1593-1640.
- Cyfres
- 1758-1778.
Papers relating to Radnorshire manors, particularly those of Maelienydd
- 1711-1866 etc.
- Cyfres
- [1541]-1926.
- 1867-1903.
- Cyfres
- 1699-1833.
Papers relating to parliamentary elections, mainly Radnorshire and Herefordshire
- 2503 etc.
- Cyfres
- 1741-1910.
Letters from George Grote, Slough, Oxted etc.
- C 1331-1399.
- Cyfres
- 1840-1863.
For content see individual letters.
Letters from Gulson, Edward, Dublin, etc,
- C/1415-1424.
- Cyfres
- 1843-1846.
For content see individual letters.
Letters from Hare, Ann, Cheltenham [his grandmother],
- C/1436-1437.
- Cyfres
- 1838, 1841.
For content see individual letters.
Letters from Hawtrey, Dr E. C., Eton College,
- C/1450-1455.
- Cyfres
- 1843-1860.
For content see individual letters.
- C/3682, C/1502-1561.
- Cyfres
- [1836]-1861.
For content see individual letters. [See also no. 3468].
Letters from Helps, Arthur, Council Office, etc,
- C/1562-1564.
- Cyfres
- 1860-1861.
For content see individual letters.
Letters from Herbert, Sidney, Wilton; Marlborough,
- C/1567-1568.
- Cyfres
- 1856, 1861.
For content see individual letters.
Letters from Hutchfield, Edward, Holywell,
- C/1606-1609.
- Cyfres
- 1852.
For content see individual letters.
Letters from Thomas Frankland Lewis [his father]
- *** C 1691-1963.
- Cyfres
- [1824]-1855.
For content see individual letters.
Letters from Pattison, Rev. Mark, Lincoln College, Oxford., etc,
- C/2182-2186.
- Cyfres
- 1854-1855.
For content see individual letters.
Letters from Powell, Rev. Baden, Hyde Park Gardens,
- C/2234-2235.
- Cyfres
- 1853-1854.
For content see individual letters.
Letters from Powell, Thomas, Lrcsi, Dublin,
- C/2236-2238.
- Cyfres
- 1854-1855.
For content see individual letters.