| Year | Award | Category | Status |
|---|---|---|---|
| 2016 | Retro Hugo Award | Best Novel | Nominee/Finalist |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1940 |
|
Startling Stories, May 1940 | Better Publications, Inc. | MAGAZINE | 14 |
| 1951 |
|
Wonder Story Annual, 1951 | Best Books, Inc. | MAGAZINE | 10 |
| September 1957 |
|
Twice in Time | Avalon Books | Novel | |
| 1958 |
|
Twice in Time | Galaxy Publishing Corp. | Novel | |
| May 1961 |
|
Galassia, #5 | Casa Editrice La Tribuna | MAGAZINE | 3 |
| November 1988 |
|
Twice in Time | Baen Books | Collection | 7 |
| November 1988 |
|
Twice in Time | Baen Books | Collection | 7 |
| August 2011 |
|
Startling Stories, May 1940 | Adventure House | Anthology | 14 |
| September 2015 |
|
Twice in Time | Baen Books | Collection | |7 |