Later novelized as "It was the Day of the Robot".
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1957 |
|
Future Science Fiction, Spring 1957 | Columbia Publications, Inc. | MAGAZINE | 67 |
| October 2017 |
|
The Cructars Are Coming / Made to Order | Armchair Fiction | Omnibus |