- Author: Sue A. Walker, Mary Jane Smart, P. Diane Frey
- Language: English
- Year: 2004
- Author: Keith Lawrence H., Walker Mary M
- Language: English
- Year: 2020
- Author: Walker Mary Jane
- Language: English
- Year: 2017
- Author: Lora Leigh Shiloh Walker Mary Wine
- Language: English
- Year: 2005