A History of Pagan Europe
Myths and Symbols in Pagan Europe: Early Scandinavian and Celtic Religions
Celtic Heritage
Our Own Druidry
A Book of Pagan Prayer
Ogam: The Celtic Oracle of the Trees: Understanding, Casting, and Interpreting the Ancient Druidic Alphabet
Comparative Mythology
Deep Ancestors: Practicing the Religion of the Proto-Indo-Europeans
Celtic Gods and Heroes (Celtic, Irish)
The Tain: Translated from the Irish Epic Tain Bo Cuailnge