- L 10977-11001.
- Cyfres
- 1862-1917.
Dangos 546 canlyniad
Disgrifiad archifol- L 11002-11046.
- Cyfres
- 1882-1917.
- L 12275-12315.
- Cyfres
- 1881-1916.
- L 12384-12419.
- Cyfres
- 1868-1918.
- L 11832-11866.
- Cyfres
- 1882-1916.
- L 11867-11915.
- Cyfres
- 1880-1916.
- L 11631-11672.
- Cyfres
- 1881-1917.
Davies, Cyril (Dolaucothi agent),
- L 11394-11437.
- Cyfres
- 1896-1909.
See also letters from J. M. Davies.
- L 8437-8472.
- Cyfres
- 1857-1902.
- L 8505-8531.
- Cyfres
- 1885-1886.
- L 8564-8578.
- Cyfres
- 1882-1921.
Owen, John (bishop of St Davids; D.W.B.),
- 8579-8623.
- Cyfres
- 1889-1925.
- L 8819-8859.
- Cyfres
- 1859-1919.
Letters from C. Hayward Phillips, 1898 (L 8819), E. van Owen Phillips (dean of St Davids; D.W.B), 1859-1897 (L 8820-8833), J. Phillips, 1902 (L 8834-8835), Prof. John Phillips, 1867-1874 (L 8836-8849), M. E. Phillips (wife of E. Owen Phillips), 1882-1898 (L 8850-8853), Tudor Owen Phillips (godson), late 1880s-1919 (L 8854-8857), and Thomas Phillips, 1919 (L 8858-8859).
- L 9045-9080.
- Cyfres
- 1882-1926.
- L 9114-9143.
- Cyfres
- 1898-1925.
Mainly letters from Sir Harry Rudolph Reichel (principal of University College, Bangor; D.W.B.), 1901-1925 (L 9114-9137).
- L 7981-8011.
- Cyfres
- 1882-1919.
For Lord & Lady Llangattock, [?1892]-1903, Rolls (L 9230-9232); for Lady Llanover, 1853-1895, see Augusta Hall (L 6607-6766).
- L 7836-7864.
- Cyfres
- 1875-1916.
- L 8071-8091.
- Cyfres
- 1862-1919.
For Caroline Catherine Lucas, 1857-1877, see Lady C. C. Wilkinson, L10,001-10,017; Maria E. ('Minna') Lucas, 1866-1873, see Minna E. Watkins (L 9938-9940).
- L 3055-3079.
- Cyfres
- 1823-1870.
Includes letters from Jones Loyd & Co., and Jones & Bishop.
- L 3080-3090.
- Cyfres
- 1822-1865.