Categorization is all around us. We see it in the grocery store, at home and especially in schools, from Pre-Kindergarten to the college level. People's desire to categorize include the need for order, ease of finding things and to make sense of the world around them. In libraries, children's picture books have a designated place that is different from the books that help you learn a foreign language. Furthermore, items within those groups are put into particular groups and subgroups as well.
One of the kings of categorization was Melvile Dewey. In 1876, Dewey devised a way of organizing books by separating knowledge into 10 divisions, each one being broken down into 10 sections that are further divided, all corresponding to variations of a particular subject. By using this appropriately named Dewey Decimal Classification (DDC) system, when you enter my library looking for books on dogs, you will be led to the 600’s. This is the division of science that includes farming, pets, machines, etc. Books on dogs are found in the 636’s with different kinds of dog books being assigned numbers that include whole and decimal numbers.
For more information on the DDC and the Library of Congress Classication (LCC), an enumerative system of categorization that provides a guide to subject groupings and subclasses of books that are actually in a library, please visit: http://www.oclc.org/dewey/resources/summaries/#nb and http://www.loc.gov/catdir/cpso/lcco/, respectively.
One of the kings of categorization was Melvile Dewey. In 1876, Dewey devised a way of organizing books by separating knowledge into 10 divisions, each one being broken down into 10 sections that are further divided, all corresponding to variations of a particular subject. By using this appropriately named Dewey Decimal Classification (DDC) system, when you enter my library looking for books on dogs, you will be led to the 600’s. This is the division of science that includes farming, pets, machines, etc. Books on dogs are found in the 636’s with different kinds of dog books being assigned numbers that include whole and decimal numbers.
For more information on the DDC and the Library of Congress Classication (LCC), an enumerative system of categorization that provides a guide to subject groupings and subclasses of books that are actually in a library, please visit: http://www.oclc.org/dewey/resources/summaries/#nb and http://www.loc.gov/catdir/cpso/lcco/, respectively.
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