Y casgl, neu Grynhoad o draethodau, cania dau a llythron perthynol i Saint y Dyddiau Dieweddaf
Publisher: J. Davis
Published: 1851
Place of publication: Merthyr-Tydfil
Language: wel
Number of pages: 40
Notes: A collection of pamphlets written chiefly by John Davis, issued separately and many having title-pages, to which has been prefixed a general title-page and table of contents.