| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1993 | 978-0-9637897-0-9 | Joel Beversluis | A Sourcebook for the Community of Religions |
| 1995 | 978-0-9637897-1-6 | Joel D. Beversluis | A Sourcebook for Earth's Community of Religions |
| 2000 | 978-0-9637897-7-8 | Gerald O Barney · Gerald O. Barney · Jane Blewett · Kristen R. Barney | Threshold 2000: Critical issues and spiritual values for a global age |