Grammadeg Cymraeg
Subtitle: Yn cynnwys athrawaieth llafaryddion, a lliosseiniaid, helaeth ddosparth ar y sillafau a'i hamryw berthynasau. Wyth rann ymadrodd a'i chynneddfau. Hyfforddiant i jawn yscrifennyddiaeth, beth yw enw, rhag enw, gorair, arorair, cenedlryw, nôd bannog, cyssylltiad, y pum amser ar moddau, cystrawen, &c. ...
Contributors: Roderick, John, 1673?-1735.
Publisher: O gasgliad, myfyriad ac argraphiad John Rhydderch, ac ar werth ganddo ef yn y Mwythig
Published: 1728
Place of publication: [Shrewsbury]
Language: wel
Format: Microform
Number of pages: 191
Notes: Rules and conventions in metre, following Gruffyd ab Cynan (d. 1137) and Dafydd Nanmor (fl. 1450-80), are included in this grammar.

Compiled and printed by John Roderick.

Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 7896, no.03).