Great Britain. Welsh Office, Powell, Robat, Jones, Ann, National Foundation for Educational Research in England and Wales, Price, Eurwen, 1982

Price, Eurwen, Williams, Ina Tudno, Dodson, C J, Willams, Ina Tudno,

Menna Elfyn, 1951-, Canolfan Astudiaethau Addysg, National Foundation for Educational Research in England and Wales, Price, Eurwen, 1991

Menna Elfyn, 1951-, Elwyn Ioan, Price, Eurwen, 1991

Price, Eurwen, Roberts, Eirlys, 1929-, 1971

Great Britain. Welsh Office, Powell, Robat, National Foundation for Educational Research in England and Wales, Griffith, Catherine Lloyd, Price, Eurwen, 1987

Davies, Iwan, Price, Eurwen, Sharp, Derrick, Thomas, Beryl, Francis, Gareth, 1973

Davies, Iwan, Price, Eurwen, Sharp, Derrick, Thomas, Beryl, Francis, Gareth, 1973

Great Britain. Welsh Office, Powell, Robat, Griffith, Catherine Lloyd, Price, Eurwen, National Foundationfor Educational Research in England and Wales, 1987

Great Britain. Welsh Office, Powell, Robat, Griffith, Catherine Lloyd, Price, Eurwen, National Foundationfor Educational Research in England and Wales, 1987

Price, Eurwen, Williams, Ina Tudno, Dodson, C J, Willams, Ina Tudno,

Great Britain. Welsh Office, Powell, Robat, National Foundation for Educational Research in England and Wales, Griffith, Catherine Lloyd, Price, Eurwen, 1987

Davies, Iwan, Price, Eurwen, Sharp, Derrick, Thomas, Beryl, Francis, Gareth, 1973

Price, Eurwen, Roberts, Eirlys, 1929-, 1971

Davies, Iwan, Price, Eurwen, Sharp, Derrick, Thomas, Beryl, Francis, Gareth, 1973

Great Britain. Welsh Office, Powell, Robat, Jones, Ann, National Foundation for Educational Research in England and Wales, Price, Eurwen, 1982

Menna Elfyn, 1951-, Canolfan Astudiaethau Addysg, National Foundation for Educational Research in England and Wales, Price, Eurwen, 1991

Menna Elfyn, 1951-, Elwyn Ioan, Price, Eurwen, 1991