| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Plato and the Foundations of Metaphysics: A Work on the Theory of the Principles and Unwritten Doctrines of Plato with a Collection of the Fundamental Documents | 978-0-7914-0433-1 (0-7914-0433-1) | 1990 | |
| Platonismus und hellenistische Philosophie | 978-3-11-003643-5 (3-11-003643-6) | 1972 |
H.J. · H. Joachim · H Krämer · Hans J. Krämer · Hans-Joachim · Hans Joachim Kramer · Hans Krämer · J.K · J. Krämer · Joachim Krämer