Eike-Henner W. Kluge

(1987). Non-naturalism revisited: rights/obligations as emergent entities. Grazer Philosophische Studien, 30, 139-160. https://doi.org/10.5840/gps19873011.

(1980). Bolzano and Frege: some conceptual parallels. Grazer Philosophische Studien, 10, 21-41. https://doi.org/10.5840/gps1980104.

(1980). The metaphysics of Gottlob Frege: an essay in ontological reconstruction. Dordrecht: Springer.

(1973). Edmund Husserl, Philosophie der Arithmetik [Review of the book Philosophie der Arithmetik, by E. Husserl]. Dialogue 12, 147-150.