Great story about Libraries
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Inside the New York Public Library's Last, Secret Apartments
There used to be parties in the apartments on the top floors of New York City's branch libraries. On other nights, when the libraries were closed, the kids who lived there might sit reading alone among the books or roll around on the wooden library carts—if they weren't dusting the shelves or shoveling coal. Their hopscotch courts were on the roof. A cat might sneak down the stairs to investigate the library patrons.
When these libraries were built, about a century ago, they needed people to take care of them. Andrew Carnegie had given New York $5.2 million, worth well over $100 million today, to create a city-wide system of library branches, and these buildings, the Carnegie libraries, were heated by coal. Each had a custodian, who was tasked with keeping those fires burning and who lived in the library, often with his family. "The family mantra was: Don’t let that furnace go out," one woman who grew up in a library told the New York Times....."
http://www.atlasobscura.com/articles...ret-apartments