Letter ("Types of Covers")
| First published | 1958 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| 1958 | Future Science Fiction, No. 5 | Strato Publications | MAGAZINE | 126 |
| August 1958 | Future Science Fiction, August 1958 | Columbia Publications, Inc. | MAGAZINE | 126 |