A library classification is a system of coding and organizing documents or library materials (books, serials, audiovisual materials, computer files, maps, manuscripts, realia) according to their subject and allocating a call number to that information resource. Bibliographic classification systems group entities together that are relevant to the same subject, typically arranged in a hierarchical tree structure (like classification systems used in biology). A different kind of classification system, called a faceted classification system, is also widely used which allows the assignment of multiple classifications to an object, enabling the classifications to be ordered in multiple ways.
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Famous quotes containing the word library:
“The fear of failure is so great, it is no wonder that the desire to do right by one’s children has led to a whole library of books offering advice on how to raise them.”
—Bruno Bettelheim (20th century)