Ambros, Barbara. 2010. "Vengeful Spirits or Loving Spiritual Companions?
Changing Views of Animal Spirits in Contemporary Japan. (Essay)." Asian Ethnology 69, no. 1: 35-67.
Littledale, Freya, and Martin, Stefan. 1970. Ghosts and Spirits of Many
Lands. 1st Ed.]. ed. Garden City, N.Y.: Doubleday.
Sarris, Greg. 1993. “Keeping Slug Woman Alive” in A Holistic Approach to
American Indian Texts. Berkeley: University of California Press.
Simpson, Jacqueline. 1997. "The Rules of Folklore" in the Ghost Stories of M.R.
James. (author Montague Rhodes James)." Folklore 108: 9-16.
Sims, Martha, and Stephens, Martine. 2011. “Groups.” In Living Folklore,
2nd Edition: An Introduction to the Study of People and Their Traditions, 30-68. Logan: Utah State University Press.