The Dewey Decimal Classification (DDC) system has nine main categories, each with 10 major-category slots available to the left of the decimal point. Of the 100 major slots available, why then are 88 ...

Did you know that Dec. 10 is Dewey Decimal System Day? Me neither. Born on Dec. 10, 1851, Melvil Dewey is the librarian who invented the Dewey Decimal system of library classification. And in an age ...

For more than a century, the Dewey Decimal Classification system has dictated the way libraries organize their collections. And the way they organize and sort information says a lot about what kind of ...

Public libraries have long utilized the Dewey Decimal classification system which uses 10 broad categories and breaks them down into subtopics.