3 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| June 1988 | 12 | Essay | Life Is Tough (But Death Is Rotten) | Midnight Graffiti, June 1988 |
| September 2011 | Short Fiction | Quality Care | Cover of Darkness, September 2011 | |
| August 2013 | |28 | Review | The Faceless One | Aurealis, #63 |
6 English-language books
| Year | Type | Title | Author(s) |
|---|---|---|---|
| 2012 | Collection | Christmas Ghost Stories: A Collection of Winter Tales | Mark Onspaugh |
| 2013 | Collection | Tales from Tomorrow | Mark Onspaugh |
| 2013 | Novel | The Faceless One | Mark Onspaugh |
| 2013 | Novel | The Thetis Plague | Mark Onspaugh |
| 2015 | Novel | Kua'Mau: Kaiju Mother of Wrath | Mark Onspaugh |
| 2017 | Anthology | The Forsaken: Stories of Abandoned Places | Joe McKinney & Mark Onspaugh |
- Oz 1
A Wikipedia page for the author was drafted and then abandoned in 2015; his middle name was taken from it (he also published some of his early short stories as by Mark Steven Onspaugh).