| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Philosophy of Law | Paperback | 978-0-415-82746-1 | 2017 |
| Philosophy of Law: An Introduction | Hardcover | 978-0-415-82745-4 | 2017 |
| Philosophy of Law: An Introduction | " | 978-0-415-33440-2 | 2005 |
| Philosophy of Law: An Introduction | Paperback | 978-0-415-33441-9 | 2005 |