P.P. · P S · P. Singer · Peter Singer
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Darwinian Left: Politics, Evolution, and Cooperation | 978-0-300-08323-1 (0-300-08323-8) | 2000 | Peter Singer |
| One World: The Ethics of Globalization | 978-0-300-09686-6 (0-300-09686-0) | 2002 | " |
| One World: The Ethics of Globalization, Second Edition | 978-0-300-10305-2 (0-300-10305-0) | 2004 | |