| Verfasser | Häufigkeit |
|---|---|
| Salmela, John H. | 8 |
| Ameel, Lieven 1978- | 4 |
| Finch, Jason 1970- | 4 |
| Salmela, Markku | 4 |
| Jalavisto, Eeva | 3 |
| Salmela, Heikki | 2 |
| Geller, Margaret | 1 |
| Krajcik, Joseph | 1 |
| Lavonen, Jari | 1 |
| Orlick, Terry | 1 |
| Partington, John T. | 1 |
| Salmela, H. | 1 |
| Salmela, Risto | 1 |
| Salmela-Aro, Katariina | 1 |
| Schneider, Barbara 1946- | 1 |
| Suvanto, Jorma | 1 |
| Söyrinki, Niilo | 1 |