"Pencil Making." Pencil.com. 2009. 31 Mar 2009 <http://www.pencils.com/pencil-information/pencil-making>.

"Computer Desktop Encyclopedia: iPhone." Info.com. 1997-2009. Computer Language Company. 31 Mar 2009 <http://research.info.com/searchw?qkw=iPhone&qcat=reference&tab=&qhqn=iPhone&wqhqn=&q=iPhone&KW=iPhone&name=iPhone>.

"iPhone." Wikipedia. 2009. Wikimedia, Inc.. 31 Mar 2009 <http://en.wikipedia.org/wiki/Iphone >.

"Computer Desktop Encylopedia: Blackberry Storm." Info.com. 2009. 31 Mar 2009 <http://research.info.com/searchw?qkw=blackberry+storm&qcat=reference&tab=&qhqn=blackberry+storm&wqhqn=&q=blackberry+storm&KW=blackberry+storm&name=blackberry+storm >.

"HP TouchSmart tx2z Tablet PC - 2.2 GHz." Cnet Reviews. 2009. 31 Mar 2009 <http://reviews.cnet.com/laptops/hp-touchsmart-tx2z-tablet/4505-3121_7-33557570.html>.

"Making Handmade Paper in 10 Easy Steps." Pioneer Thinking. 1999-2009. Pioneer Thinking Company. 31 Mar 2009 <http://www.pioneerthinking.com/makingpaper.html >.

"What is modern-day ink made of?." Ask Yahoo. 14Dec1999. 31 Mar 2009 <http://ask.yahoo.com/19991214.html>.