Search the Library Catalog to find books, DVDs, music, and
other materials in the Delaware County Community College Learning Commons.
To learn how to read Library of Congress call numbers, click here.
Call Number: Sequence of alternating letters and numbers that are used to organize and locate books on the shelves in the Learning Commons. A book's call number is based on the book's main subject. For example, HF 4543 .A45 M78 1999 is a call number for a book on the subject of careers.