Here's a complete set of a 19th century encyclopedia https://archive.org/details/cyclopedia-of-universal-history-ridpath it's free to download but you can likely find hard copies of the volumes but need to complete the set

*also- CTRL + F works in it even though it's page scanned (:

Here's a complete set of a 19th century encyclopedia https://archive.org/details/cyclopedia-of-universal-history-ridpath it's free to download but you can likely find hard copies of the volumes but need to complete the set