- Author: Jennifer L. Koski, Robert C. Higgins, Todd Mitton
- Language: English
- Year: 2022
- Author: Solomon Robert C., Higgins Kathleen Marie
- Language: English
- Year: 2003
- Author: Solomon Robert C., Higgins Kathleen Marie
- Language: English
- Year: 2014
- Author: Solomon Robert C., Higgins Kathleen M.
- Language: English
- Year: 2013
- Author: Solomon Robert C., Higgins Kathleen M.
- Language: English
- Year: 2013
- Author: Robert C. Higgins
- Language: English
- Year: 2015
- Author: Solomon Robert C., Higgins Kathleen Marie
- Language: English
- Year: 2000
- Author: Robert C. Higgins
- Language: English
- Year: 2009
- Author: Robert C. Higgins
- Language: English
- Year: 2007
- Author: Robert C. Higgins
- Language: English
- Year: 2000