Letters: Fairgrieve-Fryer,
Letters: Fairgrieve-Fryer,
Letters: Jones, A.-F.,
Letters: Jones, A.-F.,
Letters: Keen-Knutsford,
Letters: Keen-Knutsford,
Letters: Salamanca-Symons,
Letters: Salamanca-Symons,
J. Gwenogvryn Evans,
J. Gwenogvryn Evans,
John Jones ('Myrddin Fardd'),
John Jones ('Myrddin Fardd'),
Letters to R. J. Davies,
Letters to R. J. Davies,
Business and financial papers,
Business and financial papers,
Calvinistic Methodist Connexion,
Calvinistic Methodist Connexion,
Notebooks,
Notebooks,
Papers relating to the University College of Wales, Aberystwyth,
Papers relating to the University College of Wales, Aberystwyth,
Welsh Bibliographical Society,
Welsh Bibliographical Society,
Cash book,
Cash book,
Correspondence and accounts,
Correspondence and accounts,
Correspondence and papers,
Correspondence and papers,
General correspondence, papers and press cuttings,
General correspondence, papers and press cuttings,
Penrhyn quarry,
Penrhyn quarry,
Children's Treasury,
Children's Treasury,
Ballinger pension,
Ballinger pension,
Gweithiau Morgan Llwyd o Wynedd, Cyfrol II (1908),
Gweithiau Morgan Llwyd o Wynedd, Cyfrol II (1908),