Tudor, Mari, Martin, Sharon, 2000

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

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

Tudor, Mari, 2020

Tudor, Mari, 2020

Tudor, Mari, 2009

Tudor, Mari, Martin, Sharon, 2000

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

Tudor, Mari, 2020

Tudor, Mari, Martin, Sharon, 2000

Tudor, Mari, 2020

Tudor, Mari, Martin, Sharon, 2000

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

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, 2009

Roberts, Gillian F., Jones, Steven P., Roberts, Gillian, 200904

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

Hopwood, Mererid, Roberts, Gillian F., Owen, Dai, Worswick-Smith, Lisa, Hopwood, Mererid (Gol.), 2008

Roberts, Gillian F., Jones, Alys, Roberts, Gillian, 2005

Roberts, Gillian F., Brooke, Anne, 1933-, Roberts, Gill, 2007

Roberts, Gillian F., Tudor, Mari, King, Kelly, 2011

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

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

Roberts, Gillian F., Lewis, Mared, 2007

Roberts, Gillian F., Tudor, Mari, 2009

Emlyn, Non ap,

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

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

Emlyn, Non ap, 2020

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

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

Emlyn, Non ap,

Emlyn, Non ap, 2002

Meek, Elin, Emlyn, Non ap, 2013