Y Marchog Crwydrad,
Y Marchog Crwydrad,
Walliæ Curiosa
Walliæ Curiosa
Owen's Pembrokeshire, unpublished volumes IV and V
Owen's Pembrokeshire, unpublished volumes IV and V
Miscellanea
Miscellanea
Llythyrau, etc.,
Llythyrau, etc.,
Letters of John Rhys, etc.,
Letters of John Rhys, etc.,
Letters of John Rhys, etc.,
Letters of John Rhys, etc.,
Letters addressed to W. J. Roberts,
Letters addressed to W. J. Roberts,
Hanes y Brenin Arthur; Barddoniaeth Gymraeg, etc.,
Hanes y Brenin Arthur; Barddoniaeth Gymraeg, etc.,
Detholiadau o Lyfr Llandaf
Detholiadau o Lyfr Llandaf
'Cyfysgrifiad o hen ysgriflyfr barddonol',
'Cyfysgrifiad o hen ysgriflyfr barddonol',
Copïau o lawysgrifau
Copïau o lawysgrifau
Catalogue of books,
Catalogue of books,
Autograph letters,
Autograph letters,