"black dog." The black dog in Breton folklore. The animal accompanies the deceased during their temporary stay in the Otherworld and the subsequent rebirth as another indivudual.
- MacKillop, James. (2004). Dictionary of Celtic Mythology. New York: Oxford University Press, Inc.
- Rose, Carol. (2000). Giants, Monsters, and Dragons: An Encyclopedia of Folklore, Legend, and Myth. New York: W.W. Norton & Company, Inc.