7) St. Louis Public Library
The library was founded as a members-only private library in 1865 with a collection of 1,500 books. It was opened to the public in 1874 and reestablished as a publicly supported free lending library in 1893-94, by which time the collection included 90,000 books. In 1901, Andrew Carnegie made a large donation which was used for expansion, including building the current central library. By 1938 the collection included 900,000 items, and by 2014, 4,600,000 items. Nowadays the central Saint Louis...
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