R. Gerallt Jones has written:
'Ym mysg y drain'
'Nadolig gwyn'
'Teithiau Gerallt' -- subject(s): Description and travel
'Pererindota' -- subject(s): Description and travel
'Bardsey'
'Jamaican landscape'
'Murmur llawer man'
'Yn frawd i'r eos druan'
'Ansawdd y seiliau ac ysgrifau eraill'
'Y foel fawr'
R. Jones has written: 'A treatise on skating'
Stevie R. Jones has written: 'Soap free'
R. Goodman Jones has written: 'Codi hwyl'
R. Wynne Jones has written: 'Plwyf Llansannan'
Clifford R. Jones has written: 'Kathaka li'
R. O. Jones has written: 'A literary history of Spain'
Alun R. Jones has written: 'The life and opinions of T.E. Hulme'
Susan R. Jones has written: 'The unexpected adventures of Cora Louise'
R. Norman Jones has written: 'Computer programs for absorption spectrophotometry'
J. R. Jones has written: 'Cerddi 'J.R.'' 'Hwyl llwyfan'
R. Maldwyn Jones has written: 'Welsh for adults = Cymraeg i oedolion'
K. R. W. Jones has written: 'Pierre de Ronsard'