- Author: Samantha J. Fried Robert Rosenberger
- Language: English
- Year: 2021
- Author: Carlton Richard M., Fried Robert
- Language: English
- Year: 2019
- Author: Edlen-Nezin Lynn, Fried Robert
- Language: English
- Year: 2018
- Author: Fried Robert Wayne.
- Language: Mongol-English
- Author: Fried Robert L.
- Language: English
- Year: 1995