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Library of Congress Classification System: Main Classes

Take a Closer Look

Curious about how the Library of Congress Classification system organizes materials in a collection?  Do you see your area of study below?  Listed here are the letters and titles of the main classes of the LC system.

Click on any class to view an outline of its subclasses.

Lisle

Kindlon Hall
5700 College Rd.
Lisle, IL 60532
(630) 829-6050

Mesa

Gillett Hall
225 E. Main St.
Mesa, AZ 85201
(480) 878-7514