- Author: Kevin Tucker, John Zerzan, Four Legged Human, Joan Kovatch, Peter Gardner, Gabriella Halas, Cliff Hayes, Luis Felipe Torres Madhusree Mukerjee, Sita Venkateswar
- Language: English
- Year: 2019
- Author: Birnie Peter, Gardner Nigel
- Language: English
- Year: 1996
- Author: Peter Gardner
- Language: English
- Year: 2019
- Author: Peter Gardner
- Language: English
- Year: 2020