In the original Planet Stories publication, the title was given as "Space-Liner X-87" on the cover, in the table of contents, and at the head of the story—but also appears as "Space-Ship X-87" at the top of each odd-numbered page following.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1940 |
|
Planet Stories, Summer 1940 | Love Romances Publishing | MAGAZINE | 2 |
| November 2011 |
|
Planet Stories, Summer 1940 | Adventure House | Anthology | 2 |
| April 2016 |
|
War-Nymphs of Venus: The Complete Planet Stories Tales | Black Dog Books | Collection | 128 |
| April 2020 | Space-Liner X-87 | Project Gutenberg | Chapbook |