- Author: Petar Kehayov Denis Kuzmin
- Language: English
- Year: 2022
- Author: Lauri Kettunen
- Language: German
- Year: 1938
- Author: Juho Kujola
- Language: Finnish
- Year: 1944
- Author: Johanna Laakso
- Language: German
- Year: 1988
- Author: Jarmo Elomaa Johanna Laakso
- Language: Finnish
- Year: 1986
- Author: Kai Donner A. J. Joki
- Language: German
- Year: 1944
- Author: Yrjö Wichmann Bálint Csűry Artturi Kannisto
- Language: German
- Year: 1936
- Author: Heikki Paasonen Kai Donner
- Language: German
- Year: 1926
- Author: Martti Räsänen
- Language: German
- Year: 1920
- Author: Yrjö Wichmann
- Year: 1903
