Teamplaid:R:cy:GPC
R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “R:cy:GPC”, ann an Geiriadur Prifysgol Cymru Online (ann an Cuimris), University of Wales Centre for Advanced Welsh & Celtic Studies
R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “R:cy:GPC”, ann an Geiriadur Prifysgol Cymru Online (ann an Cuimris), University of Wales Centre for Advanced Welsh & Celtic Studies