
- Author: Amy Hackney Blackwell Christopher W. Blackwell
- Language: English
- Year: 2023

- Author: Amy Hackney Blackwell Christopher W. Blackwell
- Language: English
- Year: 2023

- Author: Christopher W. Blackwell, Amy Hackney Blackwell
- Language: Spanish
- Year: 2002

- Author: Christopher W. Blackwell Amy Hackney Blackwell
- Language: English
- Year: 2011

- Author: Christopher W. Blackwell
- Language: German
- Year: 2015

- Author: Professor Thomas R. Martin Christopher W. Blackwell
- Language: English
- Year: 2012