R. L ยท R. Langton
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Kantian Humility: Our Ignorance of Things in Themselves | Paperback | 978-0-19-924317-4 | 2002 |
| Sexual Solipsism: Philosophical Essays on Pornography and Objectification | Hardcover | 978-0-19-924706-6 | 2009 |
| Sexual Solipsism: Philosophical Essays on Pornography and Objectification | Paperback | 978-0-19-955145-3 | 2009 |
| Sexual Solipsism: Philosophical Essays on Pornography and Objectification | 978-0-19-156754-4 |