Fairy Tales: Vol. I states the source is Thomas Keightley's The Fairy Mythology. However, the two version are different.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1907 |
|
Fairy Tales: Vol. I | Ginn and Company | Anthology | 139 |
| March 2022 | Fairy Tales: Vol. I | Project Gutenberg | Anthology | 139 |