| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1938 |
|
Imagination!, March 1938 | Los Angeles Science Fiction League | FANZINE | |
| August 1984 |
|
L.A.con II Program Book | Southern California Institute for Fan Interests | Nonfiction | 152 |
| 2020 |
|
The Earliest Bradbury | First Fandom Experience | Nonfiction | 28|28.1 |