In Britain and the United States and other countries, in addition to private libraries being open to some readers, libraries established by private donations of books, funds and libraries are also increasing. Many are scientific research libraries. For example, the folger-Shakespeare Library established by American oil tycoon H.C. folger is the library with the richest collection of Shakespeare's literature in the world. There are also private donations to public libraries. For example, American steel magnate A. Carnegie donated at least 2,500 buildings to the United States, Britain, Canada and other countries, and the donation amount exceeded 4 1 10,000 US dollars.

History of Western Libraries