A call number is a unique number assigned to books and other cataloged information materials to help locate them on the shelves in the library.
PU Library uses the Library of Congress Classification System, as do most colleges and universities Worldwide.
Call Numbers appear on the spine of books and in the Online Catalog (OPAC).
LC call numbers are made up of letters and numbers and look something like this:
PN 6014 .L52 2008