The Cosmic Express: Introduction
| First published | December 1961 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1961 | Amazing Stories, December 1961 | Ziff-Davis Publishing Company | MAGAZINE | 117 |
| October 1970 | Science Fiction Classics Annual, [No. 1] | Ultimate Publishing Co., Inc. | MAGAZINE | 53 |