| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1923 |
|
The Cowardly Lion of Oz | Reilly & Lee | Novel | |
| 1966 |
|
The Baum Bugle, Autumn 1966 | International Wizard of Oz Club | FANZINE | 15|15.1 |
| March 1976 |
|
Bibliographia Oziana | International Wizard of Oz Club | Nonfiction | [13]|49.133 |
| December 2021 |
|
The Cowardly Lion of Oz | Fiction House Press | Novel |