Publications (8)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| August 1959 | Galaxy Magazine, August 1959 | Galaxy Publishing Corporation | MAGAZINE | 118 |
| September 1959 | Galaxy, No. 75 | Strato Publications | MAGAZINE | 114 |
| 1962 | The Sixth Galaxy Reader | Doubleday | Anthology | 107 |
| October 1962 | The Sixth Galaxy Reader | Doubleday / SFBC | Anthology | 107 |
| March 2016 | Lex | Project Gutenberg | Chapbook | |
| December 2020 | We, Robots | Ad Astra / Head of Zeus | Anthology | |313 |
| December 2020 | We, Robots | Ad Astra / Head of Zeus | Anthology | |313 |
| December 2021 | We, Robots | Apollo / Head of Zeus | Anthology | |313 |