Parker Posey lays down the law in the library. This is a short clip from the movie "Party Girl."
Evilkingdedede. "Librarian Lays Down the Law." YouTube. YouTube, 11 May 2007. Web. 25 July 2012.
Now that you know why libraries need to be organized, watch this explanation of the Dewey Decimal Classification System.
"How to Understand the Dewey Decimal System." YouTube. Howcast.com, 26 Mar. 2010. Web. 25 July 2012.