K.R. · K. R. Popper · Karl Popper · Karl R. Popper · Karl Raimund Popper · R. P.
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Popper Selections | 978-0-691-02031-0 (0-691-02031-0) | 1985 |
| The Open Society and Its Enemies, Vol. 1: The Spell of Plato | 978-0-691-01968-0 (0-691-01968-1) | 1971 |
| The Open Society and Its Enemies, Vol. 2: Hegel and Marx | 978-0-691-01972-7 (0-691-01972-X) | 1971 |