- Author: Michael Collier
- Language: English
- Year: 2021
- Author: Michael Collier
- Language: English
- Year: 2019
- Author: Diane E. Boyer, Robert H. Webb, Michael Collier
- Language: English
- Year: 2007
- Author: Michael Collier Robin Shahan
- Language: English
- Year: 2016
- Author: Michael Collier
- Language: English
- Year: 1998
- Author: Michael Collier
- Language: English
- Year: 1999