CELTIC
The Encyclopedia of Celtic Mythology and Folklore (Patricia Monaghan)
Celtic Myths and Legends (Peter Beresford Ellis)
The Ancient Celts (Barry Cunliffe)
Celtic Myths (Miranda Jane Aldhouse-Green)
The Religion of the Ancient Celts (J.A. MacCulloch)
Scotland
Tobar an Dualchais (“Kist o’ Riches”): Live recordings of folklore and songs from Scotland (including wax cylinder materials)
Scottish Folklore (Raymond Lamont-Brown)
Scottish Wonder Tales from Myth and Legend (Donald A. MacKenzie)
The Lore of Scotland: A Guide to Scottish Legends (Jennifer Westwood, Sophia Kingshill)
Ireland
Folktales of Ireland (by Seán O’Sullivan)
Ireland’s Fairy Lore (Michael Patrick Mahon)
The Folk-lore of Plants (Thomas Firminger Thiselton-Dyer)
Traces of the Elder Faiths of Ireland (William Gregory Wood-Martin)
A Treasury of Irish Folklore (Padraic Colum)
Wales
Celtic Folklore: Welsh and Manx (Sir John Rhys)
Welsh Folklore and Folk Custom (Thomas Gwynn Jones)
The Welsh Fairy Book (William Jenkyn Thomas)
The Four Ancient Books of Wales (William F. Skene)
Legendary Poems from the Book of Taleisin (Marged Haycock)
Cornwall
The Cornish Folklore Handbook (John Kinsman)
Cornish Feasts and Feasten Times (M.A. Courtney)
Cornish Stories (Mark Guy Pearse)