| History |
Celt, Druid and Culdee by Elder, Isabel Hill |
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| Religion |
Druid Source Book by Matthews, John |
 |
| Religion |
21 Lessons of Merlyn: Study in Druid Magic and Lore by Monroe, Douglas |
 |
| Folklore |
Pagan Feasts: Seasonal Food for the Eight Festivals by Franklin, Anna; Philips, Sue |
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| Folklore |
Rites of Passage by Pauline Campanelli, Dan Campaneli |
 |
| Occult |
Celtic Worship Through the Year by Ray Simpson |
 |
| History |
The Druids by Peter Berresford Ellis |
 |
| Occult |
A Book of Pagan Rituals by Slater, Herman |
|
| Religion |
Four Great Celtic Festivals : Celebration of the European Pagan Year by Cox, Stephen B. etc. |
|
| Religion |
The Encyclopaedia of Celtic Wisdom by Caitlin Matthews, John Matthews |
 |
| Religion |
Druid-Priest-Shaman : Metaphors of Celtic Paganism by Jones, Leslie |
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