Tutorial: Call Numbers

Reading Call Numbers: Library of Congress Classification System

Read the call number line by line:

  • Read the first line in alphabetical order
  • The first set of numbers that follow are read as whole numbers and are arranged numerically on the shelves.

The following diagram explains how Library of Congress call numbers work on the library shelves:

image of books shelved by callnumber

This image was produced by librarians at the University of Maryland Libraries (User Education Services), College Park, MD.

Which number would be shelved next after DA 266?

a. DA 2663
b. DA 270
c. DA 26

link to previous page  link to next page