
- Author: Leila Haaparanta
- Language: English
- Year: 1985

- Author: Leila Haaparanta Jaakko Hintikka
- Language: English
- Year: 1986

- Author: L. Haaparanta
- Language: English
- Year: 2010

- Author: Haaparanta L. Hintikka J.
- Language: English
- Year: 1986

- Author: Leila Haaparanta Heikki J. Koskinen
- Language: English
- Year: 2012

- Author: Leila Haaparanta
- Language: English
- Year: 2009