Library of Congress Classification System or LCC is a a system of library classification developed by the Library of Congress and divides all knowledge into twenty-one basic classes, each identified by a single letter of the alphabet.
Listed on the right sidebar are the letters and titles of the main 21 classes of the Library of Congress Classification. Click on any class to view an outline of its subclass.
The term 'Classification' refers to the systematic arrangement of library materials by subject matter so that subject-related materials may be brought together. Through the use of a mixed notation, consisting of a combination of capital letters and numerals, the Library of Congress Classification proceeds from general to specific, so as to provide for the most minute grouping of subjects