- GI-X.
- Sub-fonds
- [c.1870]-1942.
Part of Papurau Thomas Gwynn Jones
Part of Papurau Thomas Gwynn Jones
Part of Papurau Thomas Gwynn Jones
Part of Papurau Kate Roberts
Papurau Morris T. Williams 1910-1948,
Part of Papurau Kate Roberts
Part of Papurau Kate Roberts
Part of Papurau Kate Roberts
Papurau Henry Parry-Williams, tad THP-W, a phapurau Canolfan Ysgol Rhyd-ddu,
Papurau, 1877-1920, Henry Parry-Williams (1858-1925) a phapurau Canolfan Ysgol Rhyd-ddu, 1972-1979.
Papurau Syr T. H. Parry-Williams,
Papurau'r Fonesig Amy Parry-Williams,
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Cyhoeddiadau, Darlithoedd Ac Erthyglau.
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Part of Papurau Alwyn D. Rees,
Part of Papurau D. G. Lloyd Hughes,
Mae'r deunydd dilynnol ym meddiant y rhoddwr, a heb ei drosglwyddo i'r llyfrgell eto: A/13 a 18-19; mae mwy o manylion yng nghopi caled y siediwl.