The Dewey Decimal Classification, colloquially known as the Dewey Decimal System, is a proprietary library classification system which organizes books based on discipline and subject. It was first pub
A library bookshelf in Hong Kong classified using the New Classification Scheme for Chinese Libraries, an adaptation of the Dewey Classification scheme
Children being taught the top-level categories of the Dewey Decimal Classification system at a library in Edmonton, Alberta, Canada, in the 1960s