The mythology Welsh includes both folk traditions developed in Wales and traditions developed by Celtic Britons elsewhere before the end of the first millennium. As in most predominantly oral societies, Celtic mythology and history were recorded orally by specialists such as the Druids.
This oral record has been lost or altered through outside contact and invasion over the years. Much of this altered mythology and history is preserved in medieval Welsh manuscripts, which include the book Hergest's Red, Rhydderch's White Book, Aneirin's Book and Taliesin's Book.
Other works related to Welsh mythology include the 9th century Latin historical compilation Historia Brittonum ("History of the British") and the 12th century Latin chronicle of Geoffrey of Monmouth Historia Regum Britanniae ("History of the Kings of Great Britain" ), as well as later folklore, such as the materials collected in The Welsh Fairy Book by William Jenkyn Thomas (1908).
Welsh Mythology (texts)
I. Historical Poems Containing Allusions to Events Prior to AD 560
A. Poems Referring to Early Traditions
I. The Reconciliation of Llud the Less. Book of Taliessin LIV.
II. The Death-Song of Corroi, Son of Dayry. Book of Taliessin XLII.
III. The Death-Song of Erof. Book of Taliessin XL.
IV. Book of Taliessin XLI.
V. Book of Taliessin XLVI.
B. Poems Referring to Arthur the Guledig
VI. The Chair of the Sovereign. Book of Taliessin XV.
VII. Black Book of Caermarthen XXXI.
VIII. Book of Taliessin XXX.
IX. Geraint, Son of Erbin. Black Book of Caermarthen XXII., Red Book Of Hergest XIV.
C. Poems Referring to Gwydyon ap Don and his Gwyddyl and the Brithwyr.
X. Daronwy. Book of Taliessin X.
XI. The Praise of Lludd the Great. Book of Taliessin LII.
XII. Book Of Taliessin XIV.
XIII. The Battle of Godeu. Book of Taliessin VIII.
XIV. Book of Taliessin I. Red Book of Hergest XXIII.
XV. Death-Song of Dylan Son of the Wave. Book of Taliessin XLIII.
XVI. Black Book of Caermarthen XXXV.
XVII. Red Book of Hergest XXII.
D. Poem Referring to Gwyddno and Gwynn ap Nudd
XVIII. Black Book of Caermarthen XXXIII
E. Poems Referring to Early Traditions which Belong to a Later School
XIX. The Chair of Ceridwen. Book of Taliessin XVI.
XX. The Death-Song of Uthyr Pendragon. Book of Taliessin XLVIII.
XXI. Book of Taliessin XLV.
XII. The Praise of Taliessin. Book of Taliessin XII.
XXIII. Black Book of Caermarthen XXXVIII.
F. Poems Relating to Cities of the Cymry and their Legendary Heroes
XXIV. Black Book of Caermarthen XV.
XXV. Book of Taliessin XXI. Black Book of Caermarthen XIV.
XXVI. Black Book of Caermarthen VIII.
XXVIII. Book of Taliessin XXV.
XXIX. The Verses of the Graves. Black Book of Caermarthen XIX.
II. Historical Poems Containing Allusions to Events Subsequent to AD 560.
G. Poems Referring to War Between Sons of Llywarch Hen and Mwg Mawr Drefydd.
XXX. Names of the Sons Of Llywarch Hen. Black Book of Caermarthen XXXIX.
XXXI. Black Book of Caermarthen XXX
XXXII. Black Book of Caermarthen XXXIV.
XXXIII. Red Book of Hergest XI.
H. Poems Relating to Gwallawg ap Lleenawg
XXXIV. Black Book of Caermarthen XXXII.
XXXV. Book of Taliessin XI.
XXXVI. Book of Taliessin XXXVIII.
I. Poems Relating to Urien Reged.
XXXVII. Red Book of Hergest XVII.
XXXVIII. Book Of Taliessin XXXI.
XXXIX. Book of Taliessin XXXII.
XL. Book of Taliessin XXXIII.
XLI. Book of Taliessin XXXIV.
XLII. Book of Taliessin XXXVI.
XLIII. The Satisfaction of Urien. Book of Taliessin XXIX.
XLIV. The Spoils of Taliessin, a Song to Urien. Book of Taliessin XXVII.
XLV. Red Book of Hergest XII.
J. Poems Relating to Urien and his Son Owen.
XLVI. Book of Taliessin XVIII.
XLVII. The Affair of Argoed Llwyfain. Book of Taliessin XXXV.
XLVII. The Death-Song of Owain. Book of Taliessin XLIV.
K. Poems Relating to the Battle of Ardderyd.
XLIX. Black Book of Caermarthen I
L. Black Book Of Caermarthen XVII.
L. The Gododin Poems.
LI. Book of Aneurin I.
LII. Book of Aneurin II.
LIII. Book of Aneurin IV.
LIV. Book of Aneurin V.
LV. Song to Ale. Book of Taliessin XX.
Mr. Poems Relating to Cadwallawn.
LVI. Book of Taliessin XLIX.
LVII. Book of Taliessin L.
LVIII. Red Book of Hergest XV.
N. Predictive Poems Relating to Cadwaladyr.
LIX. The Omen of Prydein the Great. Book of Taliessin VI.
LX. Book of Taliessin XLVII.
LXI. Book of Taliessin LIII.
O. Poems Connected With Powys.
LXII. Satire of Cynan Garwyn Son of Brochwael. Book of Taliessin XXIII.
LXIII. Red Book of Hergest XVI.
P. Poems Which Mention Henry, or the Son of Henry
LXIV. A Dialogue Between Myrdin and His Sister Gwendydd. Red Book of Hergest I.
LXV. A Fugitive Poem of Myrdin in His Grave. Red Book of Hergest II.
LXVI. Black Book of Caermarthen XVI.
LXVII. Black Book of Caermarthen XVIII.
LXVIII. Red Book of Hergest XX.
LXIX. Red Book of Hergest XIX.
LXX. Red Book of Hergest XXI.
III. Miscellaneous Poems from the Black Book of Caermarthen
Q. Poems Attributed to Other Early Bards
LXXI. Meigant. Black Book of Caermarthen II.
LXXII. Cuhelyn. Black Book of Caermarthen III.
XXIII. Black Book of Caermarthen IV.
LXXIV. The Cynghogion of Elaeth. Black Book of Caermarthen XX.
LXXV. Black Book Of Caermarthen XXI.
R. Anonymous Poems on Religious Subjects
LXXVI. Black Book of Caermarthen V.
LXXVII. Black Book of Caermarthen VI.
LXXVIII. Black Book of Caermarthen VII.
LXXIX. Black Book of Caermarthen IX.
LXXX. Black Book of Caermarthen X
LXXXI. Black Book of Caermarthen XI.
LXXXII. Black Book of Caermarthen XII.
LXXXIII. Black Book of Caermarthen XIII.
LXXXIV. Black Book of Caermarthen XXV.
LXXXV. Black Book of Caermarthen XXIX.
S. Poems Relating to Yscolan.
LXXXVI. Black Book of Caermarthen XXVI.
LXXXVII. Black Book of Caermarthen XXVII.
IV. Miscellaneous Poems from the Book of Aneurin.
T. Poem Containing Ancient Proverbs
LXXXVIII. Book of Aneurin III.
V. Miscellaneous Poems from the Book of Taliessin.
U. Poems Relating to the Life and Opinions of Taliessin.
LXXXIX. The Fold of the Bards. Book of Taliessin III.
XC. Hostile Confederacy. Book of Taliessin VII.
XCI. The Chair of Taliessin. Book of Taliessin XIII.
XCII. Song to the Wind. Book of Taliessin XVII.
XCIII. Song to Mead. Book of Taliessin XIX.
XCIV. Song to the Great World. Book of Taliessin LV.
XCV. Song to the Little World. Book of Taliessin LVI.
XCVI. Juvenile Ornaments of Taliessin. Book of Taliessin IX.
XCVII. The Elegy of the Thousand Sons. Book of Taliessin II.
XCVIII. The Pleasant Things of Taliessin. Book of Taliessin IV.
XCIX. Book of Taliessin V.
C. Book Of Taliessin XXVII.
V. Poems Relating to Jewish History.
THIS. The Plagues of Egypt. Book of Taliessin XXII.
CII. The Rod of Moses. Book of Taliessin XXIV.
CIII. Book of Taliessin XXIX.
CIV. Book of Taliessin LI.
W. Poems Relating to Legends of Alexander the Great.
CV. The Contrived World. Book of Taliessin XXVI.
CVI. Book of Taliessin XXVIII.
VI. Miscellaneous Poems from the Red Book of Hergest.
X. Poems Attributed to Llywarch Hen.
CVII. Red Book of Hergest V
CVIII. Red Book of Hergest VI.
CIX. Red Book of Hergest VII.
CX. Red Book of Hergest VIII.
CXI. Red Book of Hergest IX.
CXII. Red Book of Hergest X
CXIII. Red Book of Hergest XIII.
Y. Poems Beginning »Eiry Mynyd. "
CXIV. Red Book of Hergest IV
CXV. Red Book of Hergest III.
Z. Poems on Various Subjects.
CXVI. Red Book of Hergest XVIII.
CXVII. The Viaticum of Llevoed Wynebglawr. Red Book of Hergest XXIV.
- Chapter I: Fairy Tales and the Ancient Mythology
- Chapter II: Classification of Welsh Fairies
- Chapter III: Lake Fairies
- Chapter IV: Mountain Fairies
- Chapter V: Changelings
- Chapter VI: Living with the Tylwyth Teg
- Chapter VII: Fairy Music
- Chapter VIII: Fairy Rings
- Chapter IX: Piety as a Protection from the Seductions of the Tylwyth Teg
- Chapter X: Fairy Money and Fairy Gifts in General
- Chapter XI: Origins of Welsh Fairies
- The Lady of the Lake
- Arthur in the cave
- The Curse of the Pantannas
- The Drowning of the Bottom Hundred
- Elidyr's Sojurn in Fairy Land
- Rhys and Llywelyn
- Lowri Dafydd Earns a Purse of Gold
- The Llanfabon Changeling
- Why the Red Dragon is the Emblem of Wales
- Lyn Cwm Llwch
- The Adventures of Three Farmers
- Cadwaladr and his Goat
- The Fairy Wife
- Einion and the Lady of the Greenwood
- The Green Isles of the Ocean
- March's Ears
- The Fairy Harp
- Guto Bach and the Fairies
- Ianto's Chase
- The stray cow
- Bala lake
- The Forbidden Fountain
- Tudur ap Einion
- The Fairy Walking Stick
- Dick the Fiddler's Money
- A Strange Otter
- Fairy Ointment
- Pergrin and the Mermaiden
- The Cave of the Young Men of Snowdonia
- Einion and the Fair Family
- St Collen and the King of Fairy
- Helig's Hollow
- Owen Goes A-Wooing
- The Fairy Reward
- Why Deunant has the Front Door in the Back
- Getting Rid of Fairies
- The Mantle of Kings' Beards
- Pedws Ffowk and St. Elian's Well
- Magic Music
- Sili go Dwt
- Another Changeling
- A Fairy Borrowing
- Treasure Seeking
- The Richest Man
- St. Beuno and the Curlew
- The Cat Witches
- The Swallowed Court
- What Marged Rolant Saw
- Ned Puw's Farewell
- Pennard Castle
- The Man with the Green Weeds
- Goronwy Tudor and the Witches of Llanddons
- Robin's Return
- The Harper's Gratuity
- Six and Four are Ten
- Envy Burns Itself
- The Bride from the Red Lake
- A Fairy Dog
- Grace's Well
- The Fairy Password
- St. Winifred's Well
- The Ancients of the World
- Nansi Llwyd and the Dog of Darkness
- An Adventure in the Big Bog
- The Pwca of the Trwyn
- John Gethin and the Candle
- Fetching a Halter
- Dai Sion's Homecoming
- Melangell's Lambs
- Syfaddon lake
- The Power of St Tegla's Well
- The Men of Ardudwy
- The Party-colored Cow
- Striking a Corpse Candle
- Hu Gadarn
- The Devil's Bridge
- The Martyred Hound
- Twm of the Fair Lies
- Black robin
- Llyn Llech Owen
- A Ghostly Rehersal
- At Phantom's Funeral
- Why the Robin's Breast is Red
Books on Celtic Mythology
Comics / Illustrated:
- Contes integrales – My most beautiful legends of the Middle Ages
- Medieval legends: Arthur – Perceval – Tristan & Iseult – Mélusine
- Celtic Stories – Legends and Wonderful Tales from Ireland, Scotland, Britain and Wales
- The legend of King Arthur illustrated
- Tales and legends of Ireland
In French :
- Keltoi – Legends of the Early Celts
- The mythology of the Celtic world
- Tales and legends of the Celtic countries
- Celtic Myths: The White Goddess
- On the road to the most beautiful Celtic legends
- The Legend of King Arthur – Complete Version
- The Four Branches of the "Mabinogi" and other medieval Welsh tales
- The Legend of the City of Ys: (from old texts)
- Four Scottish Folk Tales: Four Scottish Folk Tales
- The Gauls: Myths and Legends
- Tales and legends of Ireland
- The Irish Mythological Cycle and Celtic Mythology
Only in English:
- celtic fairy tales
- Cornish Folk Tales
- An Illustrated Treasury of Scottish Castle Legends
- Welsh Legends and Myths
- Exploring the Magic of Welsh Legend & Lore
- The Folk-Lore of the Isle of Man
- The Mammoth Book of Celtic Myths and Legends
- The Lost Tomb of King Arthur
- Celtic Mythology: Dive Into The Depths Of Ancient Celtic Folklore
- Irish Folk and Fairy Tales
- Celtic Mythology: A Concise Guide to the Gods, Sagas and Beliefs
- Ireland's Immortals: A History of the Gods of Irish Myth
- Scottish Myths & Legends
- The Book of Celtic Myths