- Author: Silvia Bermudez (editor), Roberta Johnson (editor)
- Language: English
- Year: 2018
- Author: Roberta Johnson
- Language: English
- Year: 2019
- Author: Roberta Johnson
- Language: English
- Year: 2020
- Author: Roberta Johnson
- Language: English
- Year: 2009
- Author: Brown Jillian Roberta, Johnson Nicola F
- Language: English
- Year: 2015
- Author: Roberta Johnson
- Language: English
- Year: 2003
- Author: Roberta Johnson
- Language: English