Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Williams, D. J. O. (David John Owen), 1922-, 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, Roberts, John W. (John Wyn), Smith, Llinos Beverley, 1985

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

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

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

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

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

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

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

Huws, Emily, Goodhart, Pippa, Holden, Caroline, 2002

Huws, Emily, Morgan, Michaela, Parker-Rees, Guy, 2002

Huws, Emily, Agard, John, 1949-, Stowe, Jenny, Welsh Joint Education Committee. National Language Unit of Wales, 1996

Huws, Emily, Shipton, Paul, 1963-, Eastwood, John, 2002

Shackell, John, Huws, Emily, 1996

Huws, Emily, Brychta, Alex, Hunt, Roderick, 2003

Huws, Emily, Amery, Heather, Cartwright, Stephen, 2005

Huws, Emily, Potter, Beatrix, 1866-1943, 1997

Huws, Emily, Nilsen, Anna, 1948-, Huws, Emily Addas, Mansell, Dom, 1996

Huws, Emily, Hunt, Roderick, Parkins, David, 1998

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

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

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

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

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), Smith, Llinos Beverley, 1985

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

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

Jones, D. Gwyn, 1968

Jones, D. Gwyn, 1968

Jones, T. Gwynn (Thomas Gwynn), 1871-1949, Thomas, Ceinwen, Rees, D. Morgan, Jenkins, John, Richards, Lily, Hughes, J. Cyril, Jones, M. P., Jones, D. Gwyn,

Project Defnyddiau ac Adnoddau y Swyddfa Gymreig, Jenkins, Ann, 1943-, 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, Roberts, John W. (John Wyn), Smith, Llinos Beverley, 1985

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

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

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

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

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

Qualifications, Curriculum and Assessment Authority for Wales, Francis, Leslie J., Vernon, Phillip, Roberts, Nant, Qualifications, Curriculum & Assessment Authority for Wales, Roberts, Tegid, Welsh National Centre for Religious Education, 2003

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Qualifications, Curriculum and Assessment Authority for Wales, Francis, Leslie J., Vernon, Phillip, Roberts, Nant, Qualifications, Curriculum & Assessment Authority for Wales, Roberts, Tegid, Welsh National Centre for Religious Education, 2003

Francis, Leslie J., Vernon, Phillip, Qualifications, Curriculum & Assessment Authority for Wales, Welsh National Centre for Religious Education, 2003

Qualifications, Curriculum and Assessment Authority for Wales, Francis, Leslie J., Vernon, Phillip, Roberts, Nant, Qualifications, Curriculum & Assessment Authority for Wales, Roberts, Tegid, Welsh National Centre for Religious Education, 2003

Williams, John, 2016

Williams, John,

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Williams, John, Barclay, Adrian, Miller, Jocelyn, 2011

Williams, John, Williams, Glyn, 1939-, Jones, Robert Owen, 1941-, Angell, Alan, 1991

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Dahn, Jo, Baldwin, Justine, 1999

Dahn, Jo, Davies, Julian, 1998

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Dahn, Jo, Davies, Julian, 1998

Dahn, Jo, Baldwin, Justine, Balsom, Sue, 2001

Ap Siôn, Tania, Vernon, Phillip, Francis, Leslie, 2016

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Ap Siôn, Tania, Vernon, Phillip, Francis, Leslie, 2016

Ap Siôn, Tania, Vernon, Phillip, Francis, Leslie, 2016

Ap Siôn, Tania, Vernon, Phillip, Francis, Leslie, 2016

Francis, Leslie, 2016

Ap Siôn, Tania, Vernon, Phillip, Francis, Leslie, 2016

Ap Siôn, Tania, Vernon, Phillip, Francis, Leslie, 2016

Francis, Leslie, 2016

Ap Siôn, Tania, Vernon, Phillip, Francis, Leslie, 2016

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Francis, Leslie J., Ap Siôn, Tania, Vernon, Phillip,

Francis, Leslie J., Ap Siôn, Tania, Vernon, Phillip,

Francis, Leslie J., Vernon, Phillip, Qualifications, Curriculum & Assessment Authority for Wales, Welsh National Centre for Religious Education, 2003

Francis, Leslie J., Ap Siôn, Tania, Vernon, Phillip,

Francis, Leslie J., Ap Siôn, Tania, Vernon, Phillip, 2016

Francis, Leslie J., Ap Siôn, Tania, Vernon, Phillip,

Francis, Leslie J., Ap Siôn, Tania, Vernon, Phillip, Sion, Tania Ap, 2008

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Dahn, Jo, Davies, Julian, 1998

Dahn, Jo, Baldwin, Justine, 2000

Dahn, Jo, Baldwin, Justine, 2000

Dahn, Jo, Baldwin, Justine, 2000

Dahn, Jo, Baldwin, Justine, Balsom, Sue, 2001

Dahn, Jo, Baldwin, Justine, 1999

Dahn, Jo, Baldwin, Justine, 1999

Dahn, Jo, Davies, Julian, 1998

Dahn, Jo, Baldwin, Justine, Balsom, Sue, 2001

Dahn, Jo,

Dahn, Jo, Baldwin, Justine, 2000

Dahn, Jo, Hughes, Marian Beech, Davies, Julian, Davies, Julian, 1960-, 1999

Dahn, Jo, Davies, Julian, 1998

Dahn, Jo, Baldwin, Justine, 2000

Dahn, Jo, Baldwin, Justine, 2000

Dahn, Jo, Baldwin, Justine, 1999

Dahn, Jo, Davies, Julian, 1998