'Amrywion',
'Amrywion',
'Amrywion',
'Amrywion',
Barddoniaeth,
Barddoniaeth,
Letters, vol. I,
Letters, vol. I,
Letters, vol. III,
Letters, vol. III,
Letters, vol. IV,
Letters, vol. IV,
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,
Welsh poetry and miscellanea,
Welsh poetry and miscellanea,
