This is one I think of from time to time, especially when peewees are mentioned. "No larger than a good-sized marrowfat pea."
1883
Marbles, and Where They Come From, by A. W. Roberts
https://books.google.com/books?id=9Fg_AQAAMAAJ&pg=PA379
If you haven't seen that one yet, do check it out. It's informative and charming. And illustrated.