library classification objective

the two classification of library is the DDC or LCC or the library of congress classification

the classification system in a library is called the Dewey Decimal system

The Library of Congress Classification was created to arrange and organize the collections of books in the Library of Congress. Herbert Putnam invented the classification system.

Library of Congress Classification uses letters and numbers. This allows for more breakdowns of areas of knowledge than the Dewey Decimal System. Public libraries and school libraries use Dewey Decimal System. Most colleges and research libraries use Library of Congress.