The two general kinds of book classifications in a library are the Dewey Decimal Classification system and the Library of Congress Classification system. The Dewey Decimal system categorizes books by subject based on a numerical system, while the Library of Congress system organizes books by both subject and author through a combination of letters and numbers.
Fiction and Non-Fiction
Two classifications for books are fiction and nonfiction.
the two classification of library is the DDC or LCC or the library of congress classification
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.
The two library classification systems are: The Dewey Decimal Classification System and the Library of Congress Classification System. hope this helped :P
The Dewey Decimal System and the Library of Congress Classification System.
chronologial order
The two primary systems are:The Dewey Decimal System - Popular in most small libraries in communities, schools and colleges.The Library of Congress System - More scalable for use in very large collections such as the Library of Congress and large universities.
story biography
The two classification systems used for arranging non-fiction books in libraries are the Dewey Decimal Classification system (typically used in public and school libraries) and the Library of Congress Classification system (mainly used in academic and special libraries).
The two major classification schemes used in the United States are the Dewey Decimal Classification System, used in most public libraries; and the Library of Congress Classification, used in most academic libraries.