http://www.pitt.edu/~dash/folktexts.html
Vast collection of folktales, myths, legends, and texts pertaining to folklore, arranged by title and theme, with a focus on northern and western Europe.
http://www.iras.ucalgary.ca/~volk/sylvia/Myths.htm
Myths, legends, and folk tales from all over the world, excerpted by Sylvia Volk.
