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Call numbers organise books into subject areas using letters and numbers. The call number is used for shelving and is displayed on the spine of the book.

The main system used in Otago libraries to assign call numbers is Library of Congress (LC).

The Robertson library also uses the Dewey Decimal system (so do most public and school libraries)

Library of Congress subject areas:

    A - General Works

    B - Philosophy, Psychology, Religion

    C - Auxiliary Sciences of History

    D - World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

    E - History of the Americas

    F - History of the Americas

    G - Geography, Anthropology, Recreation

    H - Social Sciences

    J - Political Science

    K - Law

    L - Education

    M - Music, Books on Music

    N - Fine Arts

    P - Language and Literature

    Q - Science

    R - Medicine

    S - Agriculture

    T - Technology

    U - Military Science

    V - Naval Science

    Z - Bibliography, Library Science, Information Resources (general)

 

Dewey Decimal system subject areas:

    000 - Computer Science, Information, & General Works   

    100 - Philosophy & Psychology   

    200 - Religion   

    300 - Social Sciences   

    400 - Language

    500 - Science

    600 - Technology

    700 - Arts & Recreation

    800 - Literature

    900 - History & Geography