Dewislenni : Menus
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Prif : Main
Enwau Lleoedd : Place Names
Llyfryddiaethau : Bibliographies
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Hanes a Hanes Lleol : History and Local History
Llenyddiaeth ac Ieithyddiaith : Literature and Linguistics
Llyfrau a Llawysgrifau : Books and Manuscripts
Llyfrwerthwyr a Llyfrgelloedd : Booksellers and Libraries
Cerddoriaeth : Music
Enwau Lleoedd : Place Names
An Anglo-Saxon and Celtic Bibliography (450-1087). Wilfred Bosner. Oxford: Basil Blackwell, 1947.
Geographical Bibliography for American Libraries. Washington: Association of American Geographers, National Geographic Society, 1985.
Trails in Kansas: A Bibliography. Comp. Michael D. Heaston. Dodge City: Cultural Heritage and Arts Center, November, 1969.
A Reader's Guide to the Place-names of the United Kingdom, A Bibliography of Publications (1920-89) on the Place-Names of Great Britain and Northern Ireland, the Isle of Man, and the Channel Islands. Eds. Jeffrey Spittal and John Field. Stamford: Paul Watkins, 1990.
Mynegai I Weithiau Ifor Williams. Tom Parry. Caerdydd: Gwasg Prifysgol Cymru, 1939.
Romano-British Bibliography, 55BC-AD449. onser. 2 vols. Oxford: Blackwell, 1964.
Table analytique de annales de Bretagne...Tome 1. 100, 1886-1993. Alain Groix. Rennes: Presses Universitaires de 1994.