Papers relating to Bala College,
- Bala College I/19-47.
- Cyfres
- [?1840]-1893.
Histories, prospectuses, reports and subscription lists (19-24), and letters (25-47).
Papers relating to Bala College,
Histories, prospectuses, reports and subscription lists (19-24), and letters (25-47).
Thomas Charles Edwards papers,
John Williams (Brynsiencyn) papers,
Letters to Howel Harris, 1738-1748 (606-628), letters from James Hughes, 'Yr Esboniwr', to John Roberts, Liverpool, 1831-1843 (629-639), letters to and from Owen Thomas, 1844-1879 (640-655), and miscellaneous letters, 1743-1918 (659-759).
Correspondence relating to Trevecka letters found in Salvage at Bridgewater, 1943,
Miscellanea relating to Trefeca and Coleg Trefeca,
Minutes, accounts and documents,
Trevecca College library catalogues,
Accounts of Trefeca College and Aberystwyth Theological College,