| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1983 | De Historia Et Veritate Unicornis | Running Press | Chapbook | ||
| October 1988 | Unicornis: On the History and Truth of the Unicorn | Running Press | Chapbook | ||
| December 1994 | Unicornis: On the History and Truth of the Unicorn | Running Press | Chapbook |