| Author: | Ervast, Pekka, 1875-1934 |
| Subject: | PH, Kalevala, Mythology, Finno-Ugrian |
| Format: | Electronic text |
| Date issued: | 2004 |
| Language: | Finnish |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Kalevalan avain [electronic resource] / Pekka Ervast |