- Author: Baz Kershaw, Helen Nicholson
- Language: English
- Year: 2011
- Author: Helen Nicholson
- Language: English
- Year: 2022
Los templarios
epub
- Author: Helen Nicholson
- Language: Spanish
- Year: 2001
- Author: Helen Nicholson Wayne Reynolds
- Language: English
- Year: 2004
- Author: Helen Nicholson Nadine Holdsworth Jane Milling
- Language: English
- Year: 2018
- Author: Helen Nicholson (auth.)
- Language: English
- Year: 2004
- Author: Helen Nicholson David Nicolle
- Language: English
- Year: 2005
- Author: Sarah Lambert, Helen Nicholson
- Language: English
- Year: 2012
- Author: Helen Nicholson Paul F. Crawford Jochen Burgtorf
- Language: English
- Year: 2010