| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Liberty and the Ecological Crisis: Freedom on a Finite Planet | 978-O-367-33933-3 (O-367-33933-1) | 2019 | Katie Kish · Bruce Jennings |
Christian Oehr · Christian Ohr · CHRISTIAN/OREI · Christian Orou · Christian Oury · Christine Orr · Christoff Orr · Christopher J. Orr · Justin Christopher Orr