Letter (Astounding, October 1949): Course VII: Psychohistory Text: A. S-F!
| First published | October 1949 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| October 1949 | Astounding Science Fiction, October 1949 | Street & Smith Publications, Inc. | MAGAZINE | 146 |