F K · Ferenc Kemeny · Frank Koenen
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Yeats, Folklore and Occultism: Context and Early Works | 978-0-04-800062-0 (0-04-800062-0) | 1988 |
| Yeats, Folklore and Occultism: Contexts of the Early Work and Thought | 978-1-138-68723-3 (1-138-68723-5) | 2016 |