'Amrywiaethau',
'Amrywiaethau',
'Amrywion',
'Amrywion',
Barddoniaeth,
Barddoniaeth,
'Gwersi doethineb yr hen Gymry',
'Gwersi doethineb yr hen Gymry',
Letters, vol. I,
Letters, vol. I,
Letters, vol. IV,
Letters, vol. IV,
Llythyrau,
Llythyrau,
'Mabinogion', etc.,
'Mabinogion', etc.,
Miscellaneous poetry and prose,
Miscellaneous poetry and prose,
Miscellaneous prose and poetry,
Miscellaneous prose and poetry,
Poetry, prose, letters and miscellanea,
Poetry, prose, letters and miscellanea,
'Twm o'r Nant' MS,
'Twm o'r Nant' MS,
Welsh poetry and miscellanea,
Welsh poetry and miscellanea,
