| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Elementare Logik. Prädikatenlogik der ersten Stufe | 978-3-525-40541-3 | 1997 | |
| Elementary Logic | 978-0-19-501491-4 | 1972 | |
| Philosophy of Leibniz: Metaphysics and Language | 978-0-19-505946-5 | 1989 | |
| Stoic logic | 978-0-520-02368-0 | 1973 | |
| The Philosophy of Leibniz: Metaphysics and Language | 978-0-19-503696-1 | 1985 | |
| The Skeptic Way: Sextus Empiricus's Outlines of Pyrrhonism: Sextus Empiricus' "Outlines of Pyrrhonism" | 978-0-19-509213-4 | 1996 |
Oxford University Press · University of California Press · Vandenhoeck & Ruprecht