Publications (6)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| 1951 | Double in Space: Two Novels | Doubleday | Collection | 117 |
| 1951 | Double in Space: Two Novels | Doubleday | Collection | 117 |
| December 1951 | Thrilling Wonder Stories, December 1951 | Standard Magazines, Inc. | MAGAZINE | 10 |
| January 1953 | Thrilling Wonder Stories (UK), January 1953 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 3 |
| 1969 | Double in Space | Curtis Books | Collection | 93 |
| 8888 | Double in Space | Doubleday / SFBC | Collection |