- Author: Fred Phillips, Patricia A. Libby, Robert Libby, Shana Clor-Proell
- Language: English
- Year: 2021
- Author: Fred Phillips
- Language: English
- Year: 2009
- Author: Stacey Whitecotton Robert Libby Fred Phillips
- Language: English
- Year: 2010
- Author: Fred Phillips Robert Libby Patricia A. Libby
- Language: English
- Year: 2007
- Author: Stacey M Whitecotton Robert Libby Fred Phillips
- Language: English
- Year: 2019
- Author: Fred Phillips
- Language: English
- Year: 2019
- Author: Stacey Whitecotton Robert Libby Fred Phillips
- Language: English
- Year: 2020
- Author: Stacey Whitecotton Robert Libby Fred Phillips
- Language: English
- Year: 2020
- Author: Stacey Whitecotton Robert Libby Fred Phillips
- Language: English
- Year: 2020