Dyma un o'r cyfeirlyfrau Cymraeg pwysicaf y degawd diwethaf, ond erbyn hyn y mae wedi cael ei ddiweddaru a'i ddiwygio'n llwyr.
Ychwanegir bron 400 o gofnodau newydd er mwyn cynnwys to ifanc o lenorion yn ogystal â llenwi rhai bylchau. Golyga hyn y bydd tua 3,200 o gofnodau yn yr argraffiad newydd.
Ar ben hynny, mae pob cofnod yn yr argraffiad gwreiddiol wedi mynd at naill ai'r cyfrannydd gwreiddiol os oedd hynny'n bosibl, neu at rywun arall sy'n arbenigo yn y maes perthnasol, er mwyn eu gwirio, diweddaru a diwygio yn ôl yr angen.
Mae tua chant o awduron ychwanegol wedi cyfrannu mewn rhyw ffordd neu'i gilydd y tro yma, yn ogystal â chyfran fawr o'r cyfranwyr gwreiddiol ('roedd dros ddau gant o gyfranwyr i'r argraffiad cyntaf). Teg dweud, felly, y bydd dros 300 o arbenigwyr yn eu meysydd eu hunain wedi cyfrannu at y gyfrol arbennig hon.
Rhwng y cofnodau newydd a'r gwaith diweddaru ar y cofnodau gwreiddiol, a'u gwybodaeth lyfryddiaethol, bydd tuag 800 tudalen yn y Cydymaith ar ei newydd wedd, dros 20 y cant yn fwy na'r argraffiad cyntaf.
Mae'r gyfrol hon yn sicr o ddod yn gwbl anhepgor ym mlynyddoedd olaf y mileniwm, ac yn fargen am !
Cofnodau newydd i'w cynnwys yn yr argraffiad newydd (1997/98)
Abel Hughes
Ail Ryfel Byd * Second World War, the literary response to
Aled, Sion (1957- )
Alfred Pomeroy-Jones
Allan, Laurence
Allchin, A M
Allen, Graham
ap Dafydd, Myrddin
ap Glyn, Ifor
ap Hywel, Elin
Ardaloedd Arbennig * Special Areas
Attila Rees
Barnie, John
Beagan, Glenda
Beddoe, Deirdre
Bendon, Chris
Betts, Clive
Bevin Boys
Beynon, Robert
Bleddyn Ddu
Bodwrda, Gruffudd
Bodwrda, Wiliam
Bonds of Attachment
bracchis
Bradley, A G
bregeth, y * sermon, the
broch yng nghod * badger in the bag
Burton, Philip
Button, Sir Thomas
Bwrdd yr Iaith Gymraeg * Welsh Language Board, The
Bwytawr Pechod * Sin Eater
Cadfael, nofelau/novels
Cadwaladr Cesail (fl.1610-c.1625)
Cale, John
Calfiniaeth * Calvinism
Cambrensis
canu corawl * choral singing
canu maswedd * bawdy verse
canu pop * pop music
canu rhydd * free metres
Capel-y-ffin
Catuvellauni
Cecil family
cerddoriaeth werin * folk music
Changing Wales
Cherry Owen
Citadel, The (1937)
Clwyd, Hafina
Coles, Gladys Mary
Crynhoad, Y
Cule, Cyril P, Pontarddulais
Culpitt, D H
Curly Bevan
Cwmardy
Cwmdonkin
Cyfnos Celtaidd, Y * Celtic Twilight, The
Cyfres Beirdd Answyddogol Lolfa
Cymdeithas Llên Saesneg Cymru * Association for the Study of
Welsh Writing in English
Cynllwyn Babington * Babington Plot
chwedlau Cymraeg ar lên Saesneg, dylanwad * Welsh legends on Eng. lit., influence of
Chwyldro Ffrengig, Y * French Revolution
Dadeni Dysg, Y * Renaissance, The
Dafydd Llwyd (d.1619)
Dafydd Llwyd Ysgolhaig, Syr
Dale-Jones, Don
Dancing Williams
Daniel, J E
David, Tudor (ed. The London Welshman)
Davies, Alun Talfan
Davies, Andrew
Davies, Ceri (1946- )
Davies, D Jacob
Davies, D T (Ble Ma Fa?)
Davies, Dewi Eurig
Davies, Griffith (Gwyndaf, 1868-1962)
Davies, Iris (Iris Gower)
Davies, Isaac (Eic)
Davies, James A
Davies, Jennie Eirian
Davies, John (historian)
Davies, John Breese
Davies, Thomas Eirug
Davies, Tom (novelist)
Dearnley, Moira
Decline and Fall (1928)
Deddf y Pyllau * Mines Act (1842)
Deddf Addysg Ganolraddol (1889) * Intermediate Education Act
Ding Moel
Diwygiwr, Y
Drysorfa, Y
dychan * satire
Dysgedydd, Y
Ddraig Goch, Y
Eaves, Steve
Edmunds, Mary Ann (Yr Athrawes o Ddifrif 1859)
Edward Urien (c.1580-1614)
Edward, Jane (awdures Ychydig Hymnau)
Edwards, Alun R
Edwards, Dic (dramatist)
Edwards, Elwyn (1943- )
Edwards, Fanny
Edwards, Hilma Lloyd
Edwards, Sonia
Efrydydd, Yr
Eingl-Normaneg * Anglo-Norman
Eirian, Sion
Elfyn, Menna
Ellis, David
Evans, Aled Lewis
Evans, Bernard
Evans, Christine
Evans, D Gwyn (1914- )
Evans, Elin (Elin Egryn)
Evans, Ennis
Evans, Meredydd
Evans, Paul
Evans, Ray (1923- )
Evans, Thomas (Telynog)
Evans, Tomi (1905-82)
Evans, W R (1910-91) George, Eirwyn
Evans Country, The
Fall of Cambria, The, (1808) Joseph Cottle
Farr, Tommy (pugilist)
Fisher, Catherine
For the Honour of Wales (1619) Ben Johnson
Francis, Hywel
Fron-goch
Frythones, Y
Fychan (neu Vaughan), Wiliam
Ffoulkes, Annie
Gahan, Carmel
Garthewin
Geiriadur yr Academi * Welsh Academy English-Welsh Dictionary
George, Eirwyn
Gesta Romanorum
Golwg
Gone to Earth, (1917) Mary Webb
Gossamer Beynon
Gramadegau'r Pencerddiaid * Bardic Grammars
Gregynog
Griffith, David (Clwydfardd)
Griffith, Griffith Wynne (1883-1967)
Griffith, Richard (Carneddog)
Griffiths, David (1792-1863)
Gronw Gyriog
Groves, Paul (1947- )
Gruffudd ap Gweflyn
Gruffudd ap Llywelyn Llwyd
Gruffudd Fychan ap Gruffudd ab Ednyfed
Gruffudd, Heini (1946- )
Gruffudd, Robat (1943- )
Gwasg Prifysgol Cymru * University of Wales Press
Gwdman, Elen (fl.1609)
Gwenllian ferch Rhirid Flaidd
Gwyddonydd, Y
gwyliau llên * literary festivals
Gwyndaf, Robin
Gwynn, Cyril (the Gower poet)
Gwynn, Eirwen
Gymraes, Y (Ieuan Gwynedd, 1850- )
Gymraes, Y (Ceridwen Peris, 1890au)
Hardy, Barbara
Harris, John
Haul, Yr
Henry, Paul
Hillyn (O.C.)
Honno
Houston, Douglas (1947- )
Howse, William Henry
Hughes, Arwel
Hughes, David (nofelydd, Llanymddyfri)
Hughes, Ellen (1862-1927)
Hughes, Glyn Tegai
Hughes, Jane
Hughes, Robert (Robert Ddu yr Ail)
Hughes, R O (Elfyn)
Humfrey, Belinda
Huw ap Dafydd
Huw Ceiriog (O.C.)
Huw Machno (O.C.)
hwyl
Hywel Ddu o Fuallt, Syr
Hywyn, Gwenno
Ieuan Llwyd ab y Gargam (O.C.)
Ieuan Llwyd Sieffre (1575-1639)
Ieuan Sion (fl.?1619-40)
Ieuan Tew Hynaf
Ieuan Tew Ieuanc (c.1550-c.1608)
Iocyn Ddu ab Ithel Grach (O.C.)
Iorwerth ab y Cyriog (O.C.)
Iorwerth Beli (O.C.)
Iorwerth Fychan ab Iorwerth ap Rhotbert
Isaac, Norah
Isag
Islwyn, Aled
Ithel Ddu (O.C.)
Jacob, Violet
James, David (Defynnog)
James, Maria (Wales and Other Poems 1839)
Jenkins, David (historian, Buchedd A/B)
Jenkins, Lucien
Jenkins, Mike
Jenkins-Jones, Aneurin (1925-81)
Johnnie Crack and Flossie Snail
Johnston, Dafydd R
Jonah Jarvis
Jones, Angharad
Jones, Cyril
Jones, Dafydd Glyn
Jones, Daniel Jenkyn (1912-93)
Jones, David (Trefriw)
Jones, David J V (historian)
Jones, Derwyn (1925- )
Jones, Dewi Stephen (1940- )
Jones, Eirwyn (Eirwyn Pontshân, 1922-94)
Jones, Emyr Wyn
Jones, Gareth Richard Vaughan
Jones, Huw
Jones, Huw (Llangwm)
Jones, Idwal (Gari Tryfan)
Jones, John (Jac) Alun
Jones, John Edward (1905-1970)
Jones, John Gruffydd
Jones, John Gwynfor
Jones, John Henry
Jones, John Owain (1921- )
Jones, Margaret (author of Fy Chwaer 1944)
Jones, Margaret (author of Y Gymraes o Ganaan)
Jones, Mary (novelist)
Jones, Mary Oliver
Jones, Mary Vaughan
Jones, Meinir Pierce
Jones, Percy Mansel (1889-1968)
Jones, Peter Thabit
Jones, Robert Brinley (1929- )
Jones, Robert Elis
Jones, Russel Celyn
Jones, Stephen
Jones, Thomas (Khasia)
Jones, Thomas Lloyd (Gwenffrwd, 1810-34)
Jones, Thomas Owen (Gwynfor)
Jones, Tom Hughes
Jones, Tom James
Jones, Tydfor
Jones, Vernon (1936- )
Jones, William (Llangadfan)
Jones, William (Oriental)
Jones, William (Tannau'r Cawn)
Knight, Stephen (1960- )
Kohr, Leopold (1909-94)
Kyffin, Edward (c.1558-1603)
Levy, Mervyn
Lewis, Emyr
Lewis, Gwyneth
Lewis, Roy
Life and Letters To-day
Lily Smalls
Little Moscow (sobriquet)
Lord, Peter
llên menywod * women's writing
llên onomastig * onomastic lore
Llên y Llenor
Llewellyn-Williams, Hilary (1951)
Llys Helig
Llywelyn Brydydd Hoddnant (O.C.)
Llywelyn Ddu ab y Pastard (O.C.)
Llywelyn Fardd II
Llywelyn Fychan (Galar y Beirdd)
Llywelyn Fychan ap Llywelyn Foelrhon
Llywelyn, Robin
Mab Cryg, Y (O.C.)
Mab y Clochyddyn (O.C.)
McKinley Tariff
Mais, S P B
Mari and Bob Lewis
Mathias, William (composer)
Meredith, Christopher
Merriman, Catherine
Miles, Dillwyn
Mills, Christopher
Millward, E G
Minhinnick, Robert
Morgan, Clare
Morgan, Dewi
Morgan, John (journalist)
Morgan, Mihangel (1955- )
Morris, Eleri Llywelyn
Morton, H V
Morys Berwyn (fl.c.1552-c.1616)
Morys Gethin
Morys, Twm
Mr Waldo
Muscipula Sive Cambromyomaxia (1709)
Myfanwy Price
Nadolig * Christmas
New Welsh Review, The
Ocky Milkman
Old Devils, The (K Amis)
On the Black Hill (Bruce Chatwin)
Owen, Catrin (m.1602)
Owen, Ivor
Owen, John Idris
Owen, Richard Jones (Glaslyn, 1831-1901)
Owen, William (Berllanydd) 1899-1984
Owen, William (Borth y Gest)
Pantyfedwen
Parnell, Michael
Parry, Gruffudd (Tom's brother)
Parry, Richard (Gwalchmai)
Parry, Robert (Robin Ddu Eryri, 1804-92)
Parry, Winnie
Pen-clawdd
Penguin Book of Welsh Verse
Picton-Turbervill, Edith
Pikoulis, John
Pla, Y
Pobol y Cwm
Pont Hafren * Severn Bridge
Powel, Robat (1948- )
Price, Cecil J (1915-92)
Prichard, Annie C (Ruth)
Prichard, Catherine (Buddug)
Prifysgol Morgannwg * University of Glamorgan
Proll, Y (O.C.)
Prydydd Breuan, (O.C.)
Raff ap Robert
Rees, D Ben
Reese, W H
Reynolds, Idris
Reynolds, Oliver
Richards, William (Alfa, 1875-1931)
Roberts, John (Khasia)
Roberts, J H (Monallt)
Roberts, Margaret (1833-1919)
Roberts, Wiliam Owen
Robyn y Sowldiwr
Robinson, Mary
Roderick, Abiah
Rosie Probert
Rhydderch ab Ieuan Llwyd
Rhyfel Byd Cyntaf * First World War, the literary response to
Rhys Ap Dafydd Ab Einion (O.C.)
Rhys, Manon
Saunders, Sarah M
Sefnyn (O.C.)
seiat
Seren Books
Sinbad Sailors
sinema yng Nghymru, y * cinema in Wales, the
Sion Ceri
Sion Grythor (fl.1627)
Sion Lewis ap Sion Wyn (c.1605)
Smith, J Beverley
soned * sonnet
St David's day or the Honest Welshman (1801) Thomas Dibdin
Stephens, Roy
Stevens, Meic
Sulyn
Talwrn y Beirdd
teisennau Berffro
telyneg * lyric
Teulu, Y
That Uncertain Feeling (K Amis)
Thomas Bartley
Thomas Penllyn (m.1623)
Thomas, Anna Walter (Morfudd Eryri)
Thomas, Ed
Thomas, Evan John (1904-30, poet)
Thomas, Ifor
Thomas, Louie Myfanwy (Jane Ann Jones)
Thomas, Meurig Wynn
Thomas, Richard George (1914- , critic)
Thomas, Robert David
Toddaid
Tom-Fred
Tomos, Angharad
Trefechan, pont * Trefechan Bridge
treiglo * mutation system
Tri Llais, Y
Trwco * Truck System
Tu Chwith
Tucker, James (1929- , critic)
Tudur Ap Gwyn Hagr (O.C.)
Tudur Ddall (O.C.)
Utah Watkins
Valentine, Lewis
Vickery, Frank
Watcyn Clywedog (c.1630-50)
Wawr, Y
Weyman, Stanley
White, Jon Manchip
Wil Bryan
Wiliams, Gerwyn
Williams, David Morgan
Williams, Eirlys (1919-94)
Williams, Gruffydd Aled
Williams, Ioan
Williams, Iwan Llwyd
Williams, John Edward
Williams, John Ellis (1924- )
Williams, Kyffin
Williams, O Madog (Cerddi'r Drycin 1937)
Williams, Rowan
Williams, Thomas Nefyn (author of Yr Ymchwil)
Williams, William (1738-1817)
Willy Nilly
Windsor, Penny
Winter in the Hills, A (1970)
Wyn, Ieuan (1949- )
Wynne, R O F
Yma o Hyd
Ymddiriedolaeth Taliesin * Taliesin Trust (Ty^ Newydd)
Ymfudo o Gymru * emigration from Wales
Ystori Alexander a Lodwig