Can y Pren gwyrddlas, yn dangos y siomedigaeth o roddi hyder ar y byd daearol, a'r boddlondeb o ymddiried yn y Gwir Amddiffyn
Publisher: H. Humphreys
Published: [n.d.]
Place of publication: Caernarfon
Language: wel
Other titles: Eos Gwalia.
Notes: Printed as a tract but issued with a covering title page & table of contents in the collection Eos Gwalia.