Alban, Iola, Welsh National Centre for Religious Education, Keane, Michael, 2001

Alban, Iola, Thomas, Rheinallt A, Green, Mary, 2000

Hastings, Selina, Burch, Amy, Alban, Iola, Davies, Cynthia (Cynthia Saunders), Hastings, Eric, 1999

Moorcroft, Christine, Alban, Iola, Welsh National Centre for Religious Education, 2000

Alban, Iola, Welsh National Centre for Religious Education, Keane, Michael, 2001

Alban, Iola, Welsh National Centre for Religious Education, Jenkins, Christine, 2000

Kielenski, Chris, Alban, Iola, Alban, H. Gareth, Alban, Iola Addas, Alban, H Gareth Addas, 2000

Hastings, Selina, Burch, Amy, Alban, Iola, Davies, Cynthia (Cynthia Saunders), Hastings, Eric, 1999

Lewis, Siân, 1945-, Qualifications, Curriculum and Assessment Authority for Wales, Cooper, Anne Lloyd, Qualifications, Curriculum & Assessment Authority for Wales, 2002

Shackell, John, Qualifications, Curriculum and Assessment Authority for Wales, Hughes, Mair Wynn, 1931-, Qualifications, Curriculum & Assessment Authority for Wales, 2002

Qualifications, Curriculum and Assessment Authority for Wales, Jones, Gill Saunders, McEvoy, Paul, Jones, Glyn Saunders, 2005

Shackell, John, Qualifications, Curriculum and Assessment Authority for Wales, Hughes, Mair Wynn, 1931-, University of Wales, Aberystwyth. Centre for Educational Studies, Qualifications, Curriculum & Assessment Authority for Wales, 2003

Qualifications, Curriculum and Assessment Authority for Wales, Jones, Gill Saunders, McEvoy, Paul, Jones, Glyn Saunders, 2005

Qualifications, Curriculum and Assessment Authority for Wales, Edwards, Sian A., Pilkington, Christine, 2005

Qualifications, Curriculum and Assessment Authority for Wales, Tomos, Angharad, 1958-, Welsh Joint Education Committee, 2005

Qualifications, Curriculum and Assessment Authority for Wales, Cooper, Anne Lloyd, Ifan, Delyth, Maelor, Gwawr, 2004

Qualifications, Curriculum and Assessment Authority for Wales, Tomos, Angharad, 1958-, Welsh Joint Education Committee, Qualifications, Curriculum & Assessment Authority for Wales, 2005

Qualifications, Curriculum and Assessment Authority for Wales, Collins, Mike, University of Wales, Aberystwyth. Centre for Educational Studies, Qualifications, Curriculum & Assessment Authority for Wales, Evans, Gwen, Collins, Mike, 1961 May 5-, 2003

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Morgan, Mari A., 1987

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Owen, Keith, 1988

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Williams, D. J. O. (David John Owen), 1922-, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Williams, Nia Hall, Rowlands, M. Eluned, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Roberts, John W. (John Wyn), Dodson, Carl, 1983

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Jenkins, Ann, 1943-, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Roberts, John W. (John Wyn), Smith, Llinos Beverley, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Sharp, T. Eric, Davies, Ed. O., 1987

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Jones, Siân, 1984

Gray, Richard, 2021

Gray, Richard, 2012

Gray, Richard, Cinema Theatre Association, 1996

Gray, Richard,

Gray, Richard,

Gray, Richard, Harris, Jared, 1961-, Elias, Mel, MacFadyen, Angus, 1963-, McGowan, Zach, 2019

Gray, Richard, Harris, Jared, 1961-, Elias, Mel, MacFadyen, Angus, 1963-, McGowan, Zach, 2019

Gray, Richard, 2019

Gray, Richard, 2018

Roberts, Gwenda, Erricker, Clive,

Edwards, Sian A, Thompson, Mel, 2005

Roberts, Gwenda, Erricker, Clive, 1988

Erricker, Clive, 2015

Erricker, Clive, 2013

Erricker, Clive, Grinwalds, Enid,

Erricker, Clive, 2015

Qualifications, Curriculum and Assessment Authority for Wales, Erricker, Clive, Edwards, Sian A., 2005

Lawton, Clive, Erricker, Clive, 1992

Jenkins, Ann,

Jenkins, Ann,

Jenkins, Ann,

Jenkins, Ann, 1984

Jenkins, Ann, 1985

Jenkins, Ann, 1992

Jenkins, Ann, 1992

Jenkins, Ann, 1992

Jenkins, Ann, 1982

Jenkins, Ann, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Morgan, Mari A., 1987

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Jenkins, Ann, 1943-, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Williams, Nia Hall, Rowlands, M. Eluned, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Roberts, John W. (John Wyn), Dodson, Carl, 1983

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Sharp, T. Eric, Davies, Ed. O., 1987

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Williams, D. J. O. (David John Owen), 1922-, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Jones, Siân, 1984

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Roberts, John W. (John Wyn), Smith, Llinos Beverley, 1985

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Jenkins, Ann, 1943-, University College of Wales (Aberystwyth, Wales). Resources Centre, 1989

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Owen, Keith, 1988

Teifi, Dwynwen, Williams, Sian Elin, 2019

Watton, Victor W., Teifi, Dwynwen, 2011

Teifi, Dwynwen, Cush, Denise, 2011

Teifi, Dwynwen, 2018

Naylor, Helen, Teifi, Dwynwen, 2018

Aberystwyth University. Centre for Educational Studies, Teifi, Dwynwen, Naylor, Helen, 1946-, 2018

Naylor, Helen, Teifi, Dwynwen, 2018

Teifi, Dwynwen, 2018

Teifi, Dwynwen,