P R · Paul R. · Roubiczek Paul
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Across the Abyss | 978-0-521-24288-2 (0-521-24288-6) | 1982 |
| Ethical Values in the Age of Science | 978-0-521-09592-1 (0-521-09592-1) | 2010 |
| Existentialism For and Against | 978-0-521-09243-2 (0-521-09243-4) | 2009 |