Culture · 6 pages · 12 min

Why a call number is an address

A call number tells you where one library put a copy, not what the book means.

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From the opening

A call number is the mark a library puts on an item so a person can walk to the shelf where that library keeps it. It joins a classification, which chooses the neighborhood, to further marks that order items inside that neighborhood. The opening covers a class plus a book number, why another library differs, and prefixes that change the room.

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Inside

  • A class plus a book number
  • Why another library differs
  • Prefixes that change the room
  • An address, not an ISBN
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Relative location in a classified shelf order
  • Cutter numbers as book addresses within a class