Letters,
Letters,
Papurau Ioan Cunllo
Papurau Ioan Cunllo
Letters to D. Silvan Evans,
Letters to D. Silvan Evans,
Correspondence,
Correspondence,
Letters, A-M
Letters, A-M
J. Seymour Rees Collection
J. Seymour Rees Collection
Barddoniaeth,
Barddoniaeth,
Cymdeithas Cymreigyddion y Fenni,
Cymdeithas Cymreigyddion y Fenni,
Letters to John Jones (Ivon)
Letters to John Jones (Ivon)
Pregethau,
Pregethau,
Manion Mawddwy,
Manion Mawddwy,
Letters of John Rhys, etc.,
Letters of John Rhys, etc.,
Albwm llofnodion, &c.
Albwm llofnodion, &c.
Barddoniaeth; y XXIV brenin cadarnaf,
Barddoniaeth; y XXIV brenin cadarnaf,
Testimonials for Celtic Professorship,
Testimonials for Celtic Professorship,
Miscellaneous papers,
Miscellaneous papers,
Llythyrau, D-F
Llythyrau, D-F
Welsh poetry,
Welsh poetry,
