Ffynnon Grasi
Subtitle: a storïau eraill
By: golygydd Elfyn Pritchard.
Contributors: Pritchard, Elfyn, 1932-; National Language Unit of Wales.; Welsh Joint Education Committee.
Publisher: Gomer
Published: 1996
Place of publication: Llandysul
Language: wel
Number of pages: 288
Subjects: Welsh language -- Readers.
Notes: Cyhoeddwyd y storïau yn wreiddiol yn y gyfres: Cynllun y Porth = Stories originally published in the series: Cynllun y Porth.

Lluniau gan = Illustrations by: Eric Jones.

Ar y clawr cefn = On back cover: Uned Iaith Genedlaethol Cymru, CBAC.