Celtic Studies
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The Candle of Vision by A. E.
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Early Irish History and Mythology by Thomas F. O’Rahilly
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A Book of Saints and Wonders put Down Here by Lady Gregory according to the old writings and the memory of the People of Ireland
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West Irish Folk Tales and Romances
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The Ancient Bards of Britain (Sometimes Called Druids) Being a Critical Inquiry into Traditions Concerning Their History, Philosophy, Religion, Ethics, and Rites in the Light of Science and Modern Thought by D. Delta Evans
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Scottish Myths Notes On Scottish History and Tradition by Robert Craig Maclagan
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Visions and Beliefs in The West of Ireland Collected and Arranged by Lady Gregory: With Two Essays and Notes by W.B. Yeats
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A Social History of Ancient Ireland by P.W. Joyce