This is a great example of a virtual exhibit of the history of a public library system. Wonderful photos…check out the historic statistics on library usage. And, check out the “What a Library Does For a County” section which lists higher real estate values, reducing “the sale and reading of vicious materials”, and saving money for readers as a public library’s benefits.
https://slcoarchives.wordpress.com/2019/10/10/the-county-library-beginnings/