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Library is a collection of books and other informational materials made available to people for reading, study, or reference. The word library comes from liber, the Latin word for “book.” However, library collections have almost always contained a variety of materials. Contemporary libraries maintain collections that include not only printed materials such as manuscripts, books, newspapers, and magazines, but also art reproductions, films, sound and video recordings, maps, photographs, microfiches, CD-ROMs, computer software, online databases, and other media. In addition to maintaining collections within library buildings, modern libraries often feature telecommunications links that provide users with access to information at remote sites.
Because no single library can contain the information sought by every potential user, different types of libraries exist to serve different needs. Libraries fall into six basic categories: (1) public libraries, which serve all members of the general public; (2) school libraries, which serve students and faculty through the high school level; (3) college and university libraries, which serve students and faculty in higher education; (4) research libraries, which serve the needs of advanced scholars; (5) special libraries, which serve various organizations, industries, and governmental agencies; and (6) government libraries, which serve governmental departments and agencies, and often the general public as well. Each type of library develops its mission statement, collections, services, and facilities to satisfy the needs of its particular clientele.
