The Riddle of Ragnarok
| First published | June 1955 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1955 |
|
Fantastic Universe, June 1955 | King-Size Publications, Inc. | MAGAZINE | 4 |
| August 1982 |
|
Ashtaru der Schreckliche | Heyne | Anthology | 11 |
| November 1985 |
|
Giants | Signet / New American Library | Anthology | 11 |
| July 1987 |
|
Giants | Robinson | Anthology | 11 |
| September 1987 |
|
Giganti | Fanucci Editore | Anthology | 9 |
| May 2002 |
|
Bright Segment | North Atlantic Books | Collection | 291 |
| 2010 |
|
Bright Segment | North Atlantic Books | Collection | 291 |
| April 2013 |
|
Bright Segment | North Atlantic Books | Collection | |291 |
| October 2013 |
|
Bright Segment | Gateway / Orion | Collection |