| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1895 |
|
The Wallypug of Why | Hutchinson & Co. | Novel | |
| October 1896 | The Wallypug of Why | Dodd, Mead & Co. | Novel | ||
| January 2020 | The Wallypug of Why | Project Gutenberg | Novel |