| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Eketorp: The Monument v. 1: Fortification and Settlement on Oland, Sweden | 978-91-7402-003-8 (91-7402-003-X) | 1977 | Kaj Borg · etc. |
| Eketorp: The Setting v. 2: Fortification and Settlement on Oland, Sweden | 978-91-7402-055-7 (91-7402-055-2) | 1980 | Ulf Nasman · Erik Wegraeus |