Library of Congress Classification System
- The Library of Congress classification system organizes books by broad subject area.
- Each item is assigned a call number, which is like the book's address.
- Each call number begins with a letter or multiple letters, followed by numbers and additional combinations
- Sample Call Number: Z674.75.I58 L535 2005
- The beginning letters of a call number represent a broad subject area (ie HQ784 is "child development")
