- Author: Gary Shepherd, Gordon Shepherd
- Language: English
- Year: 2015
- Author: Gordon Shepherd, Gary Shepherd
- Language: English
- Year: 2015
- Author: Gary Shepherd Gordon Shepherd
- Language: English
- Year: 2012
Andělské stezky
pdf
- Author: Gary Shepherd
- Language: Czech
- Year: 2016
- Author: R. Gordon Shepherd A. Gary Shepherd Ryan T. Cragun
- Language: English
- Year: 2020
- Author: R. Gordon Shepherd A. Gary Shepherd Ryan T. Cragun
- Language: English
- Year: 2021