International Baccalaureate (IB) and Advanced Placement Students: How are Books in the Connelly Library Organized

Library of Congress Classification

• 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: PE 1199.H33 2006
• The beginning letters of a call number represent a broad subject area (i.e., PE1199 is "English language")