Letter (Worlds of If, March-April 1973)
| First published | March 1973 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| March 1973 | Worlds of If, March-April 1973 | Universal-Tandem Publishing Company Ltd. | MAGAZINE | 4|4.1 |
| March 1973 | Worlds of If, March-April 1973 | UPD Publishing Corporation | MAGAZINE | 4|4.1 |