First Published story (See Imagination March 1952 editorial). Later expanded into Hugo Award Nominated "Dark Universe".
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1952 |
|
Imagination, March 1952 | Greenleaf Publishing Company | MAGAZINE | 100 |
| April 1966 |
|
Welt der Finsternis: und: Geheimprojekt Lichtmauer | Pabel | Collection | 4 |
| February 2022 |
|
Imagination, March 1952 | Fiction House Press | Anthology |