- Author: David L. Bartlett
- Language: English
- Year: 1997
- Author: David L. Bartlett
- Language: English
- Year: 2017
- Author: David L. Bartlett
- Language: English
- Year: 2020
- Author: David L. Bartlett
- Language: English
- Year: 1997
- Author: David W. Bartlett
- Language: English
- Year: 2003