Public libraries are a relatively new phenomenon. Before the 1880s, when Andrew Carnegie started funding the more than 1,600 library buildings that bear his name, most libraries in America were subscription-based, with members funding and shaping the collections. As free public libraries sprouted up across the United States, membership libraries mostly died off, but 19 non-profit membership libraries still exist, and are reinventing themselves as cultural centers and the coolest coworking spaces you could dream of. ..
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