First published (?) online on the Cosmos: The Science of Everything website.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 2012 |
|
The 400-Million-Year Itch | Ticonderoga Publications | Collection | |
| April 2013 |
|
The 400-Million-Year Itch | Ticonderoga Publications | Collection | 17 |
| September 2015 |
|
The 400-Million-Year Itch | Ticonderoga Publications | Collection |