IRIS 42: Information and Research Instruction Suite for two-year colleges

Stacking up Systems

Which one does your library use?

Libraries put books on shelves, called stacks, where books on the same subject next to each other. For example, books about gardening sit next to each other, books by Shakespeare are together, and books about car repair are together.

To keep track of all the subjects, libraries use a classification system. There are two main classification systems:

Both of these systems use call numbers to identify individual books. Call numbers are printed on labels and attached to each book in the library.

Like snowflakes, no two call numbers are alike. Each one is unique to a specific book.

Every book in the library has a unique call number on the spine. Next >>