| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1984 | 978-0-9612964-0-7 | Matthew Alfs | Concepts of Father, Son, and Holy Spirit |
| '' | 978-0-9612964-1-4 | Matthew Alfs | Concepts of Father, Son, and Holy Spirit: A classification and description of the Trinitarian and non-Trinitarian theologies existent within Christendom |
| 2001 | 978-0-9612964-3-8 | '' | Edible & Medicinal Wild Plants of Minnesota & Wisconsin |
| 2013 | 978-0-9612964-5-2 | '' | Edible & Medicinal Wild Plants of the Midwest |