Tudor, Mari, 2020

Welsh Joint Education Committee, Hughes, Mair Wynn, 1931-, Tudor, Mari, National Language Unit of Wales, Welsh Joint Education Committee. National Language Unit of Wales, Knipping, Rod, 1997

Tudor, Mari, 2020

Tudor, Mari, 2020

Emlyn, Non ap, Roberts, Gillian F., Tudor, Mari,

Tudor, Mari, Martin, Sharon, 2000

Tudor, Mari, 2009

Emlyn, Non ap, Roberts, Gillian F., Tudor, Mari,

Tudor, Mari, Martin, Sharon, 2000

Tudor, Mari, 2020

Tudor, Mari, 2020

Tudor, Mari, Martin, Sharon, 2000

Tudor, Mari, Martin, Sharon, 2000

Tudor, Mari, 2009

Emlyn, Non ap, Roberts, Gillian F., Tudor, Mari,

Tudor, Mari, 2020

Tudor, Mari, 2020

Emlyn, Non ap, Roberts, Gillian F., Tudor, Mari,

Tudor, Mari, 2020

Welsh Joint Education Committee, Hughes, Mair Wynn, 1931-, Tudor, Mari, National Language Unit of Wales, Welsh Joint Education Committee. National Language Unit of Wales, Knipping, Rod, 1997

ap Emlyn, Non, Non ap Emlyn, Hedd ap Emlyn, Emlyn, Non ap, Emlyn, Hedd ap, Ap Emlyn, Hedd, 200809

Emlyn, Non ap, 2002

Emlyn, Non ap, 2020

Emlyn, Non ap, Roberts, Gillian F., Tudor, Mari,

Emlyn, Non ap,

Meek, Elin, Emlyn, Non ap, 2013

Cartwright, Stephen, Bates, Michelle, Civardi, Anne, Emlyn, Non ap, Emlyn, Hedd ap,

Emlyn, Non ap,

Emlyn, Non ap, Roberts, Gillian F., Tudor, Mari,

University of Wales, Aberystwyth. Centre for Educational Studies, Non ap Emlyn, Emlyn, Non ap, 2006