- Author: John DeGarmo
- Language: English
- Year: 2018
- Author: John Degarmo
- Language: English
- Year: 2015
- Author: Dr. John Degarmo
- Language: English
- Year: 2016
- Author: John DeGarmo
- Language: English
- Year: 2019
- Author: Dr. John Degarmo
- Language: English
- Year: 2012