The information on this website is provided by the following sources:

Biography Information / Images:

http://www.salford.org.uk/joule/joule.htm
http://www.voltaicpower.com/Biographies/JouleBio.htm

Joule's Law Information / Images:

http://scienceworld.wolfram.com/biography/Joule.html
http://www.teachnet.ie/tbrophy/pdfs/physics/joule.html
http://www.wordreference.com/English/definition.asp?en=Joule's+law

Paddle Wheel Information / Images:

http://scienceworld.wolfram.com/physics/FirstLawofThermodynamics.html
http://www.sciencemuseum.org.uk/galleryguide/E3011.asp.
http://www.owlnet.rice.edu/~chem312/Handouts%20Folder/Joule_etc./Joule.paddle.html

Joule-Thomson Effect Information / Images:
http://www.deutsches-museum.de/ausstell/dauer/physik/e_joule.htm
http://www.wordreference.com/English/definition.asp?en=Joule%2DThomson+effect
http://library.thinkquest.org/10170/voca/jouleb.htm

J = "Joule" Information / Images:
http://library.thinkquest.org/10170/voca/jouleb.htm
http://www.wordreference.com/English/definition.asp?en=joule

Bibliography Image:
http://library.thinkquest.org/10170/voca/jouleb.htm