Day, Graham, University of Wales. Board of Celtic Studies, Rees, Gareth, Read, Martin, 1987

University of Wales. Board of Celtic Studies, Morris-Jones, Huw, University of Wales. Pwyllgor Termau Technegol, 1976

University of Wales. Board of Celtic Studies, Ford, Patrick K., 1992

University of Wales. Board of Celtic Studies, Jones, Islwyn, Cilan, Hywel, 1963

Day, Graham, University of Wales. Board of Celtic Studies, Rees, Gareth, Read, Martin, 1991

University of Wales. Board of Celtic Studies, Evans, D. Simon (Daniel Simon), 1921-, 1977

Day, Graham, University of Wales. Board of Celtic Studies, Rees, Gareth, Read, Martin, 1988

University of Wales. Board of Celtic Studies, Iorwerth Fynglwyd, Rowlands, Eurys Ionor, Jones, Howell Llewellyn, 1975

University of Wales. Board of Celtic Studies, Richter, Michael, 1943-, Giraldus, Cambrensis, 1146-1223, Lefèvre, Yves, Huygens, R. B. C., Dawson, Brian, Huygens, R. B. C. (Robert Burchard Constantijn), 1931-, Dawson, Brian, 1943-, 1974

University of Wales. Board of Celtic Studies, Rhygyfarch, 1056-1099, James, J. W. (John Williams), 1967

Evans, D Simon,

Evans, D Simon, Doble, G.H.,

Bromwich, Rachel, Evans, D Simon,

Evans, D Simon, 1959

Evans, D Simon, Gruffudd Ap Cynan,

Evans, D Simon, 1997

Evans, D Simon,

Bromwich, Rachel, Evans, D. Simon (Daniel Simon), 1921-, Evans, D Simon, Foster, Idris Llewelyn, Sir, 1911-1984, Evans, Dafydd Huw, University of Wales. Board of Celtic Studies. Pwyllgor Iaith a Llên, Evans, D. Simon (Daniel Simon), 1921-1998, 1997

Evans, D Simon,

Evans, D. Simon, Doble, G. H. (Gilbert Hunter), 1880-1945, Evans, D. Simon (Daniel Simon), Evans D Simon (Ed), 1971

Evans, D. Simon (Daniel Simon), 1982

Williams, Sian Rhiannon, 1955-, Evans, D. Simon (Daniel Simon), Morgan, Colin, Williams, Colin H., Davies, Janet, 1943-, Davies, Gwyn, 1946-, Morgan, Iorwerth, Jones, Robert Owen, 1941-, White, Eryn Mant, Poppe, Erich, 1992

Evans, D. Simon (Daniel Simon), Rhygyfarch, 1056-1099, 1959

Evans, D. Simon (Daniel Simon), 1982

Bromwich, Rachel, Evans, D. Simon (Daniel Simon), Evans, Dafydd Huw, Foster, Idris, 1911-1984, 2012

Evans, D Simon, Evans, D. Simon (Daniel Simon), Jones, E J,

Henken, Elissa R., Evans, D. Simon (Daniel Simon), Grooms, Chris, 1953-, 1987

Evans, D. Simon (Daniel Simon), 1959

Evans, D. Simon, 2005

Evans, D. Simon, 2005

Bromwich, Rachel, Evans, D. Simon, 2008

Evans, D. Simon, Doble, G. H. (Gilbert Hunter), 1880-1945, Evans, D. Simon (Daniel Simon), Evans D Simon (Ed), 1971

Evans, D. Simon, Carver, M. A., 1972

Evans, D. Simon, 2009

Bromwich, Rachel, Evans, D. Simon, Evans, Dafydd Huw, Foster, Idris, Sir, 2012

Evans, D. Simon,

Griffiths, James, Evans, Simon,

Evans, Simon,

Evans, Simon, 1981

Hazeley, Jason, Skinner, Frank, Evans, Simon, 2024

Evans, Simon, 2004

Evans, D Simon,

Evans, D Simon, 1997

Evans, D Simon, 1959

Bromwich, Rachel, Evans, D. Simon (Daniel Simon), 1921-, Evans, D Simon, Foster, Idris Llewelyn, Sir, 1911-1984, Evans, Dafydd Huw, University of Wales. Board of Celtic Studies. Pwyllgor Iaith a Llên, Evans, D. Simon (Daniel Simon), 1921-1998, 1997

Evans, D Simon,

Evans, D Simon, Gruffudd Ap Cynan,

Bromwich, Rachel, Evans, D Simon,

Evans, D Simon,

Evans, D Simon,

Evans, D Simon, Doble, G.H.,

Evans, D Simon, Gruffudd Ap Cynan,

Bromwich, Rachel, Evans, D Simon,

Evans, D Simon, 1997

Evans, D Simon,

Evans, D Simon, 1959

Evans, D Simon,

Evans, D Simon,

Bromwich, Rachel, Evans, D. Simon (Daniel Simon), 1921-, Evans, D Simon, Foster, Idris Llewelyn, Sir, 1911-1984, Evans, Dafydd Huw, University of Wales. Board of Celtic Studies. Pwyllgor Iaith a Llên, Evans, D. Simon (Daniel Simon), 1921-1998, 1997

Evans, D Simon, Doble, G.H.,