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Library Skills

Refresher on DDC (Dewey Decimal Classification System)
by

Susan Mays

on 30 April 2014

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Transcript of Library Skills

Have you ever gone to the
library and wondered how
you'd ever find the books
you want?
Did you know your library
has a great way of
organizing books
that makes it easy
for you to find them?
It's called the
Dewey Decimal
Classification
System - DDC for short
So what does
the DDC do?

It helps
solve the
big problem:

helping you
find the
right
information.
HOW, YOU ASK?

By giving you a
specific number that
belongs to the item
you want.
Let's say you're interested in bicycles.
What you want to know about them will decide what DDC numbers you'll need to find:
tandem bicycles
taking care of your bicycle
bicycle safety
bicycle racing
Each of the topics
is about bicycles,
but a book about
each of these topics
will have its very
own DDC number.
Tandem Bicycles (629.2276)
Taking care of your bicycle
(629.28)
Bicycle safety (796.028)
Bicycle racing ( 796.6)
Once you have the number of the book you need, you can go find the row where it should be.
The books are on the shelves in numerical order,
but if you need help,
the librarian or her helpers can assist you.
You will notice
when you find your book,
other books around it
are on a similar topic.

DDC is arranged by topic.
And does the DDC have topics!
Hundreds of them! Thousands of them!
The topics in the DDC are arranged into ten main classes:
000 Computer Science information & general works
100 Philosophy & psychology
200 Religion
300 Social sciences
400 Language
500 Science
600 Technology
700 Arts & recreation
800 Literature
900 History & geography
Each of these ten classes are then divided into
ten more subclasses:
These numbers
are all on the right side
of the decimal point




and are used to
divide a specific subject.
To find out what number to look for when you come to the library:
look up your topic on a library computer
browse the shelves, using the DDC numbers on the front ends and the tops of the shelves as your guide
ask your librarian or one of her aides to assist you
Getting to Know the DDC
Each division
is then divided into ten sections again ...
LOST?
HELP IS ON IT'S WAY!
ONE TOPIC;
MANY CLASSIFICATIONS.
ORGANIZATION
MIND BOGGLING!
THE CRAZY PEOPLE
WHO HELP YOU!
Full transcript