Probably not an exhaustive list. (Might go back through and pick out fairy tale/myth adaptations if anyone's interested.)

Fairy Tales
Craobh-Òir agus Craobh-Airgid | Gold Tree and Silver Tree
Den lille Havfrue | The Little Mermaid - Hans Christian Andersen
Der Gevatter Tod | Godfather Death
Die Gänsemagd | The Goose Girl
Hänsel und Gretel | Hansel and Gretel
Jungfrau Maleen | Maid Maleen
Kong Lindorm | Prince Lindworm
Rotkäppchen | Little Red Riding Hood
Syrenka Warszawska | Warsaw Mermaid Legend

Mythology/Religion/Epics
Ancient Egyptian Religion
Beowulf
The Epic of Gilgamesh
Hymn to Demeter - Homer
The Iliad - Homer
Mabinogion
Nibelungenlied
The Odyssey - Homer
Ramayana - Valmiki
Sir Gawain and the Green Knight (poem and movie)
The Tale of Tamamizu
תנ"ך | Tanakh
平家物語 | Heike monogatari | The Tale of the Heike