For Your Information (Galaxy, September 1969)
| First published | September 1969 |
|---|---|
| Type | Essay |
| Series | For Your Information |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1969 |
|
Galaxy Magazine, September 1969 | Universal Publishing & Distributing Corporation | MAGAZINE | 100 |
| October 1969 |
|
Galaxy Magazine, October 1969 | Universal-Tandem Publishing Company Ltd. | MAGAZINE | 100 |