Cyhoeddwyd gan y Ganolfan Astudiaethau Addysg, Aberystwyth mewn partneriaeth รข Choleg y Drindod, Caerfyrddin = Published by Canolfan Astudiaethau Addysg, Aberystwyth in conjunction with Trinity College, Carmarthen.
Nefi wen! : casgliad o sbardunau ac ymarferion ar thema rhyfeddodau by Eleri Llewelyn Morris. ISBN 1856449017. Published by Canolfan Astudiaethau Addysg in 1997. Publication and catalogue information, links to buy online and reader comments.