H. R. Ellis Davidson.
Myths & Symbols in Pagan Europe: Early Scandinavian & Celtic Religions
The Celts and Germans and Scandinavians had much in common in their religious practices and beliefs, and this is the first serious attempt that has been made to compare them. Even though this work has been expanded upon with new thoughts and theories since its publication in 1988, it remains a classic addition to the library of any historical enthusiast.
