Jones, Glyn E. Iaith lafar Brycheiniog astudiaeth o'i ffonoleg a'i morffoleg / Glyn E. Jones. - Caerdydd : Gwasg Prifysgol Cymru, (c)2000. - viii, 170 pages : map 23 cm. Includes bibliographies and index. Subjects--Topical Terms: Welsh language--Spoken Welsh--Wales--Breconshire.Welsh language--Dialects--Wales--Breconshire. Index Terms--Genre/Form: Electronic Books. LC Class. No.: PB2116 / .I258 2000