|Understanding Call Numbers|
What are call numbers for?
in the library has a unique call number. A call number is like an
address: it tells us where the book is located in the library.
The CSULA Library, like many academic libraries in the U.S., uses Library of Congress Classification for call numbers. This system uses a combination of letters and numbers to arrange materials by subjects.
Reading Call Numbers
Putting Call Numbers in Shelf Order
To understand how call numbers are put in order in Library of Congress Classification, again look at each section of the call number.
What does the call number mean?
Remember that Library of Congress Classification arranges materials by subjects. The first sections of the call number represent the subject of the book. The letter-and-decimal section of the call number often represents the author's last name. And, as you probably recall, the last section of a call number is often the date of publication. For example:
this important to know?
Since Library of Congress Classification arranges materials by subjects, knowing the letter(s) for your subject area gives you a place to start browsing the shelves.