- Author: Schutt Bill
- Language: English
- Year: 2017
- Author: Diehl Daniel, Donnelly Mark F
- Language: English
- Year: 2012
- Author: Catalin Avramescu Alistair Ian Blyth
- Language: English, Romanian
- Year: 2009
- Author: Catalin Avramescu Alistair Ian Blyth
- Language: English, Romanian
- Year: 2009
- Author: Cormac Ó Gráda
- Language: English
- Year: 2015
- Author: Cormac Ó Gráda
- Language: English
- Year: 2015