Cyfarwyddyd i Gymmro ddysgu yr iaith Seisnig
Subtitle: at yr hwn, trwy annogiad y beirniaid.  Y chwanegwyd gramadeg Seisnig yn Gymmraeg.
By: Gan R. J. Prys.
Publisher: T. Gee
Published: 1849
Place of publication: Dinbych
Language: wel
Number of pages: 274
Subjects: English language -- Textbooks for foreign speakers -- Welsh.; English language -- Grammar, Comparative -- Welsh.
Notes: At head of title: Treithawd arobryn---Prize essay.