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Copyright Notice

There is a substantial amount of public-domain material onsite, and in particular nearly 200 books and the illustrations that were part of them in their print versions. Those items, you are free to use either electronically, as on the Web, or in print.

All material on this site not in the public domain or covered by other copyright is

the year being that of the last update.

If you would like to use any such material, even in printed material for sale, the odds are I would be flattered: e‑mail me. For one thing, I may be able to provide you better material (e.g.: related items that do not appear on my site, or in some cases professional-quality photographs).