A collection of information, resources, and services maintained for reading, study, and research. While traditionally focused on books, modern libraries provide access to a vast array of digital media, specialized equipment, and community programs. 000 Computer sciences, information & general works 100 Philosophy and psycholoy 200 Religion 300 Social sciences 400 anguage 500 Science 600 Technology 700 Arts and recreation 800 Literature 900 History and geography