Resources

Below is a list of resources I would recommend on the Brythonic tradition.

Brythonic Mythology

Primary Sources

A.O.H. Jarman (transl.), Aneirin – Gododdin, (Gomer Press, 1998)
Geoffrey of Monmouth, The History of the Kings of Britain, (Penguin Classic, 1973)
Geoffrey of Monmouth, The Life of Merlin, (Forgotten Books, 2008)
Gerald of Wales, The Journey through Wales / The Description of Wales, (Penguin Books, 1978)
Marged Haycock (transl), Legendary Poems from the Book of Taliesin, (CMCS, 2007)
Marged Haycock (transl), Prophecies from the Book of Taliesin, (CMCS, 2013)
Meirion Pennar (transl.), The Black Book of Carmarthen, (Llanerch Enterprises, 1989)
Patrick Ford (transl), Mabinogi and Other Welsh Tales, (University of California Press, 2008)
Rachel Bromwich (ed), The Triads of the Island of Britain, (University of Wales Press, 2014)
Rachel Bromwich and Simon D. Evans (eds), Culhwch and Olwen, (University of Wales, 1998)
Sioned Davies (transl.), The Mabinogion, (Oxford University Press, 2007)

Secondary Sources

Iolo Morganwg, The Barddas, (Weiser, 2004)
James MacKillop, Dictionary of Celtic Mythology, (Oxford University Press, 1998)
Peter Bartrum, A Welsh Classical Dictionary: People in History and Legend up to about A.D. 1000, (National Library of Wales, 1993)
John Michael Greer, The Coelbren Alphabet, (Llewellyn, 2017)
John Rhys, Studies in the Arthurian Legend, (Adamant Media Corporation, 2001)
Mererid Hopwood, Singing in Chains, (Gomer Press, 2004)
Rachel Bromwich, A. O. H. Jarman, Brynley F. Roberts, The Arthur of the Welsh, (University of Wales Press, 1991)
Robert Graves, The White Goddess: A Historical Grammar of Poetic Myth (Faber & Faber, 1999)
Thomas Green, Concepts of Arthur, (Tempus Publishing, 2007)
Will Parker, The Four Branches of the Mabinogi, (Bardic Press, 2005)
W. J. Gruffydd, Rhiannon: An Inquiry into the Origins of the First and Third Branches of the Mabinogi, (University of Wales Press, 1953)

Brythonic Gods and Goddesses

Caitlin Matthews, Mabon and the Guardians of Celtic Britain, (Inner Traditions, 2002)
Caroline Wise, Finding Elen: The Quest for Elen of the Ways, (Create Space, 2015)
Danu Forest, Gwyn ap Nudd: Wild God of Faery, Guardian of Annwfn, (Moon Books, 2017)
Elen Sentier, Elen of the Ways, (Moon Books, 2013)
Jhenah Telyndru (ed), Flower Face: A Devotional Anthology in Honor of Blodeuwedd, (Ninth Wave Press, 2016)
Lee Davies (ed), The Grey Mare on the Hill, (Grey Mare Books, 2015)
Miranda Green, The Gods of the Celts, (Bramley Books, 1986)
R. J. Stewart, Celtic Gods and Goddesses, (Blandford, 1990)
Robin Herne, Old Gods, New Druids, (O Books, 2009)
Sheena McGrath, Brigantia: Goddess of the North, (Lulu, 2016)
Susie Fox, Ritual Journeys with Great British Goddesses, (Trafford, 2012)
Tim Clarkson, Scotland’s Merlin, (Berlinn, 2016)
Yuri Leitch, Gwyn: Ancient God of Glastonbury and key to the Glastonbury Zodiac, (The Temple Publications, 2007)

Celtic Culture

Alistair Moffat, The Sea Kingdoms: The History of Celtic Britain and Ireland, (Harper Collins, 2002)
Anne Ross, Pagan Celtic Britain, (Cardinal, 1974)
Bernard Maier, Dictionary of Celtic Religion and Culture, (The Boydell Press, 1997)
Barry Cunliffe, The Ancient Celts (Penguin, 1999)
Francis Pryor, Britain BC, (Harper Perennial, 2004)
John T. Koch (ed), The Celtic Heroic Age, (Celtic Studies Publications, 2003)
Miranda Aldhouse Green, Sacred Britannia, (Thames and Hudson, 2018)
Miranda Green, Animals in Celtic Life and Myth, (Routledge, 1998)
Miranda Green, Dying for the Gods, (The History Press, 2002)
Sioned Davies and Nerys Ann Jones (eds.), The Horse in Celtic Culture: Medieval Welsh Perspectives, (Cardiff, 1997)

Folk and Fairylore

Edward A. Armstrong, The Folklore of Birds, (Dover Publications, 1958)
Francis Jones, The Holy Wells of Wales (Cardiff, 1992)
Katherine Briggs, The Fairies in Tradition and Literature, (Routledge, 1967)
John Rhŷs, Celtic Folklore: Welsh and Manx (Oxford, 1901)
T. Gwynn Jones, Welsh Folklore and Folk-Custom, (Redwood Burn, 1979)
Wirt Sikes, British Goblins, (Lightning Source, 1880)
W. Jenkyn Thomas, The Welsh Fairy Book, (Dover Publications, 2001)
W. Y. Evans Wentz, The Fairy Faith in Celtic Countries, (Colin Smythe Limited, 1977)

The Old North

Andrew Breeze, “The Name and Battle of Arfderydd, near Carlisle,” Journal of Literary Onomastics: Volume 2: Issue 1, Article 1. (2012)
Brian Hartley and Leon Fits, The Brigantes, (Alan Sutton, 1988)
Denise Kenyon, The Origins of Lancashire, (1991)
Guy Ragland Philips, Brigantia: A Mysteriography, (Routledge, 1976)
Melville Richards, The Fictitious Kingdom of Teyrnllwg, (1960)
Nick Higham, The Northern Counties to AD1000, (Longman Group 1986)
Nicki Howarth, Cartimandua: Queen of the Brigantes, (The History Press, 2011)
Tim Clarkson, The Men of the North: The Britons of Southern Scotland, (John Donald, 2010)
Ronald Cunliffe Shawe, The Royal Forest of Lancaster, (The Guardian Press, 1956)
Ronald Cunliffe Shawe, The Men of the North, (Leyland Printing Co., 1970)

Bardism and Druidry

Caitlin and John Matthews, King Arthur’s Raid on the Underworld, (Gothic Image Publications, 2008)
Charlotte Hussey, Glossing the Spoils, (Awen Publications, 2012)
Emma Restall-Orr, Living Druidry, (Piatkus, 2004)
Emma Restall-Orr, Kissing the Hag, (O Books, 2008)
John Matthews, The Celtic Shaman, (Random House, 1991)
John Matthews (ed), The Bardic Source Book, (Blanford, 1998)
John Matthews (ed), The Celtic Seer’s Source Book, (Blandford, 1999)
John Matthews, Taliesin: The Last Celtic Shaman, (Inner Traditions, 2002)
Kevan Manwaring, The Bardic Handbook, (Gothic Images Publications, 2006)
Kevan Manwaring, The Way of Awen, (O Books, 2010)
Kristoffer Hughes, Natural Druidry, (Thoth Publications, 2007)
Kristoffer Hughes, From the Cauldron Born, (Llewellyn, 2013)
Kristoffer Hughes, The Journey into Spirit, (Llewellyn, 2013)
Kristoffer Hughes, The Book of Celtic Magic, (Llewellyn, 2014)
Rhyd Wildermuth, Your Face is a Forest (Rhyd Wildermuth, 2014)
Rhyd Wildermuth, A Kindness of Ravens (Rhyd Wildermuth, 2016)
Robin Herne, Bard Song, (Moon Books, 2012)
Tom Cowan, Fire in the Head, (Harper One, 1993)

Celtic Resources Online

Celtic Literature Collective
Mabinogion.info
Mabinogi.net
Sacred Texts

Modern Awenyddion and Celtic Polytheists

Awen ac Awenydd
Awenydd of the Mountains
Bryan Hewitt
Chronicl yr Awen
Dead, Mad, or a Poet
Dun Brython
Cylch Rhiannon
Grey Bear in the Middle
Go Deeper
Land Sea Sky Travel
Living Liminally
Love is a Battlefield
Muddy Boots and Mistletoe
Musings from Gelli Fach
Musings of a Scottish Hearth Druid
Paganarch
Round the Herne
Starstruck Awenydd
The Druid’s Well
The Guardian of the Well
The Horse Goddess
The Three Cauldrons
White Deer. Earth