HarperCollins · Pilgrim Press · University Of Chicago Press
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| A Sense of the Divine: The Natural Environment from a Theocentric Perspective | 978-0-8298-1100-1 (0-8298-1100-1) | 1998 |
| On Being Responsible: Issues in Personal Ethics | 978-0-06-063531-2 (0-06-063531-2) | 1968 |
| Protestant and Roman Catholic Ethics: Prospects for Rapprochement | 978-0-226-31108-1 (0-226-31108-2) | 1980 |