Publications (3)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| October 1941 | Unknown Worlds, October 1941 | Street & Smith Publications, Inc. | MAGAZINE | 100 |
| 1947 | Night's Black Agents | Arkham House | Collection | 5 |
| 1975 | Night's Black Agents | Neville Spearman | Collection | 5 |