| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| El hombre en las grandes religiones e ideologías | 978-84-330-0490-1 (84-330-0490-5) | 1995 |
| Life As Liberty, Life As Trust | 978-0-8028-0637-6 (0-8028-0637-6) | 1992 |
| On the New Frontiers of Genetics and Religion | 978-0-8028-0741-0 (0-8028-0741-0) | 1994 |
J. Nelson · J R · J.R. Nelson · J. Robert · R.N. · R. Nelson · Robert N. · Robert Nelson