| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Pulling Up the Ladder the Metaphysical Roots of Wittgensteins | 978-0-8126-9126-9 (0-8126-9126-1) | 1990 |
| Pulling Up the Ladder: The Metaphysical Roots of Wittgenstein's Tractatus Logico-Philosophicus | 978-0-8126-9125-2 (0-8126-9125-3) | 1990 |
R. B · R.R. · Richard B. · Richard Brockhaus · Richard R