Gwyrthiau y Wynfydedig Fair a St Edmund,
Gwehelyth,
Gwasanaeth y Wynfidedig Fair,
Gwasanaeth y Fendigaid Fair,
Gwaith Guto'r Glyn, etc.
Gramadegau a cherddi,
Gramadeg Cymraeg,
Genealogies,
Geiriau perthnasol i benodau neilltuol,
Geiriau perthnasol i benodau neilltuol,
Geiriau perthnasol i benodau neilltuol,
Galfridi Monemutensis Historia Regnum Brittannie,
French songs,
Fragments of Branwen, Manawydan and Geraint ap Erbin,
Fragment of Brut y Brenhinedd,
English poetry,
English law,
Ecclesiastica historia gentis Anglorum,
Dyfeisiau herodaidd,
Documents relating to the abbeys of Valle Crucis and Cymer,
