It's possible he might be a lesser-known figure in a specific field, but without more information, it's difficult to provide any insight into his contributions.
To get more information, you could try:
* Providing more context: What kind of contributions are you looking for? Are you interested in his work as a teacher, author, librarian, or something else?
* Specifying the time period: Knowing when C. Everard Palmer lived or worked can help narrow down the search.
* Checking for specific publications: If you have any information about his writing or any books he might have authored, you can try searching for those.
With more information, it might be possible to learn more about C. Everard Palmer's contributions to the world of reading.