Letter (Planet Stories, Spring 1941): 20% or Merely 4%?
| First published | February 1941 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1941 |
|
Planet Stories, Spring 1941 | Love Romances Publishing | MAGAZINE | 127|127.2 |
| February 2011 |
|
Planet Stories, Spring 1941 | Adventure House | Anthology | 128 |