- The Stones Of The Field - Druid Press, 1946
- An Acre Of Land - Montgomeryshire Printing Company, 1952
- The Minister - Montgomeryshire Printing Company, 1953
- Song At the Year's Turning 1942-54 - Rupert Hart-Davies, 1955
- Poetry For Supper - Rupert Hart-Davies, 1958
- Tares - Rupert Hart-Davies, 1961
- The Bread Of Truth - Rupert Hart-Davies, 1963
- Pieta - Rupert Hart-Davies, 1966
- Not That He Brought Flowers - Rupert Hart-Davies, 1968
- Young And Old - Chatto & Windus, 1972
- H'm - Macmillan, 1972
- Selected Poems, 1946-1968 - MacGibbon/Hart-Davies, 1973
- What Is A Welshman? -Christopher Davies, 1974
- Laboratories Of The Spirit - Macmillan, 1975
- The Way Of It - Ceolfrith Press, 1977
- Frequencies - Macmillan, 1975
- Between Here And Now - Macmillan, 1981
- Later Poems 1972-1982 - Macmillan, 1983
- Ingrowing Thoughts - Poetry Wales Press, 1985
- Destinations - Celandine Press, 1985
- Neb - Gwasg Gwynedd, 1985
- Experimenting With An Amen - Macmillan, 1986
- Selected Poems, 1946-1968 -Bloodaxe Books, 1986
- Welsh Airs - Poetry Wales Press, 1987
- The Echoes Return Slow - Macmillan, 1988
- Blwyddyn Yn Llyn - 1990
- Counterpoint - Bloodaxe Books, 1990
- Pe Medrwn Yr Iaith - 1990
- Cymru Or Wales - Gwasg Gomer, 1992
- Mass For Hard Times - Bloodaxe Books, 1992
- Collected Poems 1945-1990 - Dent, 1993
- No Truce With The Furies - Bloodaxe Books, 1995
- Selected Prose - ed Sandra Anstey Seren 1995
- Autobiographies - Dent 1997
- R S Thomas Reading Poems - Sain triple CD, 1999
- Collected Poems 1945-1990 - Dent 2001
- Residues - Bloodaxe Books, 2002
- Selected Poems - Penguin Modern Classics, 2004
- Collected Later Poems 1988-2000 - Bloodaxe, 2004