W. Norris Clarke
Reflections on John Deely's Four ages of understanding
2005
The American Journal of Semiotics 21/1-4
2002
in: Hermeneutic philosophy of science, van Gogh's eyes, and God, Dordrecht : Springer
Charles Hartshorne's philosophy of God
1990
in: Charles Hartshorne's concept of God, Dordrecht : Springer