Ultimatum
| First published | 1950 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
Publications (4)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| 1950 | Planet Stories, Spring 1950 | American News Co. | MAGAZINE | 98 |
| February 1950 | Planet Stories, Spring 1950 | Love Romances Publishing | MAGAZINE | 98 |
| January 2016 | The 30th Golden Age of Science Fiction Megapack | Wildside Press | Collection | |
| March 2021 | Ultimatum | Project Gutenberg | Chapbook |