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| First published | July 1951 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
Publications (9)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| July 1951 | Astounding Science Fiction, July 1951 | Street & Smith Publications, Inc. | MAGAZINE | 40 |
| November 1953 | Crossroads in Time | Permabooks | Anthology | 211 |
| 1962 | The Diploids | Avon | Collection | 145 |
| 1962 | The Diploids | Avon | Collection | 145 |
| 1973 | The Diploids | Manor Books | Collection | 138 |
| September 1979 | Science Fiction of the Fifties | Avon | Anthology | 9 |
| February 1980 | Science Fiction of the Fifties | Avon / SFBC | Anthology | 9 |
| May 1981 | The Diploids | Gregg Press | Collection | |
| March 2000 | The Diploids | Wildside Press | Collection |