Site of a group promoting the development and use of the Bibliographic Classification (BC2). Posts bulletins, publishes official amendments, and presents other related information.

Discusses the way book call numbers are made and used. Explains the book number use and benefit when it comes to organization.

General, faceted classification scheme for information exchange and switching.

Learn about the principles of this commonly used method for arranging books by author within a given class.

Directory of websites classified under the Dewey Decimal System, for students in Grades K-12.

Introduction to the concept with sections on its history, advantages and disadvantages, and uses.

Presents dictionaries, thesauri, classification schemes, and related articles used in library preservation and imaging projects.