
O slobodi volje
pdf
- Author: Aurelije Augustin, Stjepan Kušar
- Language: Serbian
- Year: 1998

- Author: Stjepan Kušar (prir.)
- Language: Croatian
- Year: 1996

- Author: Claudio Moreschini, Stjepan Kušar
- Language: Croatian
- Year: 2009