Astudiaethau
Cofrestr o'r Holl Lyfrau Printiedig gan Mwyaf a Gyfansoddwyd yn yr Iaith Gymraeg neu a Gyfieihwyd iddi hyd y Flwyddyn 1717. Llundain: Printwyr y Brenin, 1717. [ad-argraffiad, W. Spurrell, 1912]
An Encyclopedia of the Book. Geoffrey Ashall Glaister. New York: World Publishing Company, 1960.
A Nation and Its Books, A history of the book in Wales. Eds. Philip Henry Jones and Eiluned Rees. Aberystwyth: National Library of Wales, 1998.
A Nation and Its Books, The Welsh Department of the Board of Education, 1916.
Libri Walliae: A Catalogue of Welsh Books and Books Printed in Wales, 1546-1820. Ed. Eiluned Rees. 2 vols. Aberystwyth: The National Library of Wales, 1987.
Y Llyfr yng Nghymru / Welsh Books Studies. Rh.1:1. Aberystwyth: Aberystwyth Center for the Book, 1998.
The Mercator Media Guide: Vol.1. A Guide to Television, Radio, Press, Publishers, Libraries and Bookshops Serving Nine Minority Languages in the European Community. Ed. Janet Davies. Cardiff: University of Wales Press, 1993.
---; Vol.2. A Guide to Television, Radio, Press, Publishers, Libraries and Bookshops Serving Ten Minority Languages in the European Community. Ed. Elen Haf Gruffudd Jones. Intro. Ned Thomas. Cardiff: University of Wales Press, 1996.
Rules for the Reading Society of Port Madoc. Caernarfon: James Rees, 1848.
CARTER, John. A B C for Book Collectors. 5th ed. New York: Alfred A Knoff, 1991.
CHARTER, Roger. The Order of Books; Readers, Authors, and Libraries in Europe between the Fourteenth and Eighteenth Centuries. Trans. Lydia G Cochrane. Stanford: Stanford University Press, 1994.
CHAYTOR, H J. From Script to Print. New York: October Books, 1967.
DAVIES, W. Ll., M.A. The National Library of Wales: A Survey of its History, its Contents, and its Activities. Aberystwyth: The National Library of Wales, 1937.
DE RICCI, Seymour. English Collectors of Books & Manuscripts And Their Marks of Ownership, 1530-1930. Bloomington: Indiana University Press, 1960.
DIRINGER, David. The Book before Printing; Ancient, Medieval and Oriental. New York: Dover, 1982.
EISENSTEIN, Elizabeth L. The Printing Press as an Agent of Change; Communication and cultural transformation in early-modern Europe. Cambridge: Cambridge University Press, 1979.
ELLIS, Estelle, et al. At Home with Books: How Booklovers Live and Care for Their Libraries. New York: Carol Southern Books, 1995.
FEBVRE, Luciaen, and Henri-Jean Martin. The Coming of the Book; The Impact of Printing, 1450-1800. Trans. David Gerard. London: Verso, 1990.
HINDMAN, Sandra L. ed. Printing the Written Word; The Social History of Books, circa 1450-1520. Ithaca: Cornell University Press, 1991.
HUMPHREYS, E Morgan. Y Wasg Cymraeg Cyfres Pobun. Rhif III. Gol. E Tegla Davies. Lerpwl: Gwasg y Brython, Ionawr, 1945. [1]
MARTIN, Henri-Jean. The History and Power of Writing. Trans. Lydia G Cochrane. Chicago: University of Chicago Press, 1994.
REES, Eiluned. The Welsh Book-Trade Before 1820. Aberystwyth: National Library of Wales, 1988.
STARNES, DeWitt T. Renaissance Dictionaries, English-Latin and Latin-English. Austin: University of Texas Press, 1954.
Llawysgrifen
BISCHOFF, Bernhard. Latin Palaeography; Antiquity & the Middle Ages. Trans. Dáibhi Cróinín and David Ganz. Cambridge: Cambridge University Press, 1993.
BROWN, Michelle P. A Guide to Western Historical Scripts from Antiquity to 1600. Toronto: University of Toronto, 1990.
CAPPELLI, Adriano. Dizionario di abbreviature, latine ed italiane. Milano: Editore Ulrico Hoepli, 1990.
DAWSON, Giles E, and Laetitia Kennedy Skipton. Elizabethan Handwriting, 1500-1650; A Guide to the Reading of Documents and Manuscripts. Chichester: Phillimore, 1981.
DENHOLM-YOUNG, N. Handwriting in England and Wales. Cardiff: University of Wales Press, 1954.
DE RICCI, Seymour. English Collectors of Books & Manuscripts And Their Marks of Ownership, 1530-1930. Bloomington: Indiana University Press, 1960.
GOLDBERG, Jonathan. Writing Matter: From the Hands of the English Renaissance. Stanford: Stanford University Press, 1990.
HECTOR, L C. The Handwriting of English Documents. Dorking: Kohler and Coombes Ltd., 1980.
LATHAM, R E. Revised Medieval Latin Word-List from British and Irish Sources. London: The British Academy, 1994.
MARTIN, Charles Trice. The Record Interpreter; A Collection of Abbreviations, Latin Words and Names Used in English Historical Manuscripts and Records. Chichester: Phillimore, 1982.
MCKITTERICK, Rosamond. The Carolingians and the written word. Cambridge: Cambridge University Press, 1989.
MUNBY, Lionel. Reading Tudor and Stuart Handwriting. Chichester: Phillimore, 1988.
OSLEY, A S. Sources and Scribes; Handbook of the Chancery Hand in the Sixteenth Century. Boston: David R Godine, 1980.
PELZER, Auguste. Abréviations latines Médiévales. Bruxelles: Editions Nauwelaerts, 1982.
Llyfryddiaethau
The Bible in Wales. London: Henry Sotheran & Co, 1906.
The British Library: Guide to the catalogues and indexes of the Department of Manuscripts. M A E Nickson. London: British Library, 1982.
Cambrian Bibliography. Eds. W. Rowlands and D Silvan Evans. Llanidloes: John Prys, 1869. Repr. Amsterdam: Meridian, 1970.
Cardiff Free Libraries: Catalogue of Printed Material in the Welsh Department. Eds. John Ballinger and James Ifano Jones. Cardiff: Free Libraries Committee, 1898.
Catalogue of Maps and other Publications of the Ordnance Survey. Southampton: E M Jack, 1924.
A Catalogue of the Library of the National Museum of Wales, Vol.1: Books Printed before 1701. Ed. John R. Kenyon. Cardiff: National Museum of Wales, 1992.
A Catalogue of the Manuscripts Relating to Wales in the British Museum. Vols. I-IV. Comp. and Ed. Edward Owen. London: Honourable Society of Cymmrodorion, 1900.
Celtic Literatures, Widener Library Shelflist 25. Cambridge: Harvard University Library, 1970.
Cofrestr o'r Holl Lyfrau Printiedig gan Mwyaf a Gyfansoddwyd yn yr Iaith Gymraeg neu a Gyfieihwyd iddi hyd y Flwyddyn 1717. Llundain: Printwyr y Brenin, 1717. [ad-argraffiad, W. Spurrell, 1912]
Handlist of Manuscripts in the National Library of Wales. Parts I-XXXIV. Aberystwyth: National Library of Wales.
Libri Walliae: A Catalogue of Welsh Books and Books Printed in Wales, 1546-1820. Ed. Eiluned Rees. 2 vols. Aberystwyth: The National Library of Wales, 1987.
Linguistique, générale et comparée: bibliographie, histoire de l'écriture, grammaires, dictionaires, études, philologiques, histoire litteraire. Catalogue 65. Paris: Paul Geuthner, 1931.
A List of Caernarvonshire Manuscripts and Records in the National Library of Wales. Aberystwyth: National Library of Wales, 1936.
A List of Pembrokeshire Manuscripts and Records in the National Library of Wales. Aberystwyth: National Library of Wales, 1939.
Local Newspapers, 1750-1920, England and Wales, Channel Islands; Isle of Man. A Select Location List. Comp. Jeremy Gibson. Baltimore: Geneological Publishing Company, 1989.
Llenyddiaeth Fy Ngwlad, sef Hanes y Newyddiadur a'r Cylchgrawn Cymreig.... Gol. T M Jones. Treffynnon: P M Evans, 1893. (2)
Llyfryddiaeth Cylchgronau Cymraeg, 1735-1850. Gol. Huw Walters. Aberystwyth: Llyfgell Genedlaethol Cymru, 1993.
Llyfryddiaeth Geiriaduron Termau. Gol. Delyth Prys a J P M Jones. Bangor: Prifysgol Cymru Bangor, 1995.
The Mercator Media Guide: Vol.1. A Guide to Television, Radio, Press, Publishers, Libraries and Bookshops Serving Nine Minority Languages in the European Community. Ed. Janet Davies. Cardiff: University of Wales Press, 1993.
---; Vol.2. A Guide to Television, Radio, Press, Publishers, Libraries and Bookshops Serving Ten Minority Languages in the European Community. Ed. Elen Haf Gruffudd Jones. Intro. Ned Thomas. Cardiff: University of Wales Press, 1996.
Mynegai i Farddoniaeth y Llawysgrifau. Gol. Elizabeth J. Lewis Jones a Henry Lewis. Caerdydd: Gwasg Prifysgol Cymru, 1928.
A Nation and Its Books, The Welsh Department of the Board of Education, 1916.
Rhestr o Lyfrau ar Sir Meirionydd. Casg. Geoffrey Thomas. Dolgellau: Merioneth County Library, 1969.
Rhestr o Lyfrau argraffwyd yng Nghaerfyrddin gan John Ross rhwng y blynyddoedd 1763 a 1807. Gol. John Davies. Caerfyrddin: W Spurrell a'i Fab, 1916.
Rhestr o Lyfrau gan y Parch. William Williams Pantycelyn, a argraffwyd rhwng 1744 a 1800. Gol. John Davies. Caerfyrddin: W Spurrell a'i Fab, 1918.
Rhestr o Lyfrau'r Gymdeithas yr Eisteddfod Genedlaethol. Caerdydd: 1924.
Traethodau Ymchwil Cymraeg a Chymreig, 1887-1971. Gol. Alun Eirug Davies. Caerdydd: Gwasg Prifysgol Cymru, 1973.
Gwasg Gregynog
Beirdd Gregynog - Gregynog Poets.
10: LLWYD, Alan. "Yr Hebog Uwch Felindre". Engraffiad ar bren gan David Esslemont. No.355.
11: GARLICK, Raymond. "Agincourt". Wood Engraving by George Tute. No.234.
"Coed Glyn Cynon (Detholiad)" Eisteddfod Genedlaethol Cymru, Cwm Rhymni, 1990. No.36, No.42.
Gwasg Gregynog: A descriptive catalogue of printing at Gregynog, 1970-1990. 1990. Comps. David Esslemont and Glyn Tegai Hughes. No.396.
Honeydew on the Wormwood: A Further Selection of Old Welsh Verses. Trans. and Intr. Glyn Jones. 1984. Cat.No.10.
The mountains of Wales: An anthology in verse and prose. Ed. Ioan Bowen Rees. 1987. No.118 Cat. No.16.
RYDER, John. Intimate Leaves from a Designer's Notebook. Foreword by Jan Morris. 1993. No.101.
WILLIAMS, Waldo. Cerddi Waldo Williams. 1992. Deth. a Gol. J E Caerwyn Williams. Darl. Rhiain Davies. No.14.