- Author: Lisa J. McEntee-Atalianis, Humphrey Tonkin
- Language: English
- Year: 2023
- Author: Lisa J. McEntee-Atalianis Humphrey Tonkin
- Language: English
- Year: 2023
- Author: Pierre Janton Humphrey Tonkin Jane Edwards Karen Johnson-Weiner
- Language: English, Esperanto
- Year: 1993
- Author: Humphrey Tonkin Maria Esposito Frank
- Language: English
- Year: 2010
- Author: Prof. Dr. Humphrey Tonkin Prof. Dr. Maria Esposito Frank
- Language: English
- Year: 2010