- Author: Martin J. Dougherty
- Language: English
- Year: 2015
- Author: Martin J Dougherty
- Language: English
- Year: 2016
Celts
epub
- Author: Martin J. Dougherty
- Language: English
- Year: 2015
- Author: Kelly DeVries, Martin J. Dougherty, Iain Dickie, Phyllis G. Jestice, Christer Jörgensen
- Language: English
- Year: 2006
- Author: Chris McNab, Martin J Dougherty
- Language: English
- Year: 2014
- Author: Martin J. Dougherty
- Language: English
- Year: 2010
- Author: Martin J. Dougherty
- Language: English
- Year: 2016
- Author: Martin J. Dougherty
- Language: English
- Year: 2015
- Author: Martin J. Dougherty
- Language: English
- Year: 2015