| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1962 |
|
Analog Science Fact -> Science Fiction, February 1962 | Condé Nast | MAGAZINE | 68 |
| September 1962 |
|
Analog Science Fact -> Science Fiction, September 1962 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 73 |
| August 2008 | Pandemic | Project Gutenberg | Chapbook |