Howell, David W., Jones, Ieuan Gwynedd, Jenkins, Philip, 1952-, Mingay, G. E. (Gordon Edmund), 1923-, Beckett, J. V., Thomas, Peter David Garner, Masterman, Neville, Phillips, Bethan, Griffith, W. P. (William Philip), 1947-, Thompson, F. M. L. (Francis Michael Longstreth), Clark, J. C. D., Landau, Norma, 1986

Royal Commission on the Ancient and Historical Monuments of Wales, Royal Commission on Ancient and Historical Monuments in Wales, Jones, Ieuan Gwynedd, Jenkins, Geraint H. (Geraint Huw), 1946-, Cardiganshire Antiquarian Society, 1998

Jones, Ieuan Gwynedd, 1988

Jones, Ieuan Gwynedd, 1977

Jones, Ieuan Gwynedd, 1971

Jones, Ieuan Gwynedd, 1992

Royal Commission on the Ancient and Historical Monuments of Wales, Royal Commission on Ancient and Historical Monuments in Wales, Jones, Ieuan Gwynedd, Davies, J. L., Davies, J. L. (Jeffrey L), Kirby, D. P., Cardiganshire Antiquarian Society, Kirby, D. P. (David Peter), 1936-, 1994

Jones, Ieuan Gwynedd, 1994

Williams, David, General Register office, Jones, Ieuan Gwynedd, 1976

Jones, Ieuan Gwynedd, Jenkins, Geraint H, 1998

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

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

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, Jones, Islwyn, Cilan, Hywel, 1963

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

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

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

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

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

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

Howell, David W., Jones, Ieuan Gwynedd, Jenkins, Philip, 1952-, Mingay, G. E. (Gordon Edmund), 1923-, Beckett, J. V., Thomas, Peter David Garner, Masterman, Neville, Phillips, Bethan, Griffith, W. P. (William Philip), 1947-, Thompson, F. M. L. (Francis Michael Longstreth), Clark, J. C. D., Landau, Norma, 1986

Royal Commission on the Ancient and Historical Monuments of Wales, Royal Commission on Ancient and Historical Monuments in Wales, Jones, Ieuan Gwynedd, Jenkins, Geraint H. (Geraint Huw), 1946-, Cardiganshire Antiquarian Society, 1998

Jones, Ieuan Gwynedd, 1971

Jones, Ieuan Gwynedd, 1992

Jones, Ieuan Gwynedd, Jenkins, Geraint H, 1998

Jones, Ieuan Gwynedd, 1988

Williams, David, General Register office, Jones, Ieuan Gwynedd, 1976

Jones, Ieuan Gwynedd, 1977

Royal Commission on the Ancient and Historical Monuments of Wales, Royal Commission on Ancient and Historical Monuments in Wales, Jones, Ieuan Gwynedd, Davies, J. L., Davies, J. L. (Jeffrey L), Kirby, D. P., Cardiganshire Antiquarian Society, Kirby, D. P. (David Peter), 1936-, 1994

Jones, Ieuan Gwynedd, 1994

Williams, David,

Williams, David, 2009

Williams, David, Remender, Rick, Matta, Pencil and Ink: Claudio Sciarrone; Paint: Gabriella, Bender, Kelly, Duin, Steve,

Williams, David, 2015

Williams, David, 2003

Williams, David, 1980

Williams, David, 1971

Williams, David, 1995

Williams, David, Taff Ely Borough Council, Williams, Sylvia,

Williams, David,