- Author: Isaac Martin, Christopher Niedt
- Language: English
- Year: 2015
- Author: Martin Christopher
- Language: Lithuanian
- Year: 2007
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- Language: English
- Year: 2022
- Author: Martin Christopher
- Language: English
- Year: 2014
- Author: Dr Carlos Mena Remko van Hoek Martin Christopher
- Language: English
- Year: 2021
- Author: Martin Christopher R
- Language: English
- Year: 2020
- Author: Benedictines, Restoration Project, Martin Christopher H
- Language: English
- Year: 2013
- Author: Martin Christopher
- Language: English
- Year: 2016