- L 10256-10418.
- Sub-sub-sub-fonds
- 1866-[?1925].
Part of Dolaucothi Estate Records,
Letters to most correspondents are arranged chronologically, 1866-[?1925] (L 10256-10301), besides letters to Norman MacColl, editor of the Athenaeum, 1872-1902 (L 10302-10418).