Animal Clones: Double Trouble?. 2008. Society for Science and the Public. 8 March 2008. <http://www.sciencenewsforkids.org/articles/20040128/Feature1.asp>

Cloning. 25 January 2008. U.S. National Library of Medicine. 6 March 2008. <http://www.nlm.nih.gov/medlineplus/cloning.html>

Cloning. 1997. National Institute for Medical Research. 6 March 2008. <http://www.nimr.mrc.ac.uk/millhillessays/1997/cloning.htm>

Cloning and Genetic Modification. 30 September 2003. Center for Genetics and Society. 6 March 2008. <http://www.arhp.org/patienteducation/onlinebrochures/cloning/index.cfm?ID=282>

Cloning: Controversial Science. 7 January 2002. Serendip. 29 February 2008. <www.serendip.brynmawr.edu/biology/b103/f00/web1/tamang.htmll>

Cloning Fact Sheet. August 29, 2006. Human Genome Management Information System and other Human Genome Project contacts. February 28, 2008 <http://www.ornl.gov/sci/techresources/Human_Genome/elsi/cloning.shtml>

 Cloning in Focus. 2008. The University of Utah, Genetic Science Learning Center. 6 March 2008. <http://learn.genetics.utah.edu/units/cloning/>

Cloning Pros and Cons. 2001-2008. Mega Essays LLC. 1 March 2008<www.megaessays.com>

Con: Anti Cloning Research. 1998. Kayotic Development. 6 March 2008. <http://library.thinkquest.org/24355/data/reactions/cons.html>

Cons of Cloning. Biology 461. 29 February 2008. <www.as.wvu.edu/~kgarbutt/evolutionpage/student+sites/cloningpage>

Genetic Engineering. 2002 – 2007, G.Ganesh, Dennis, Nathaniel, Cai Peng. February 28, 2008 <http://www.bootstrike.com/Genetics/Cloning/benefits.html>

How Cloning Works. 1998- 2008. How Stuff Works, Inc. 6 March 2008. <http://www.howstuffworks.com/cloning.htm>

Lopez, Emilia. “Three Types of Cloning and the Necessity to Regulate.” 2004, February 28, 2008 <http://www.cbse.ucsc.edu/pdf_library/ThreeTypesCloning.pdf>

 Pence, Gregory E. “The Top Ten Myths about Human Cloning.” 2002, Human Cloning Foundation. February 28, 2008 <http://www.humancloning.org/myths.php>

Pros and Cons of Human Cloning. “National Academies Report Debates the Pros and Cons of Human Reproductive Cloning.” January 18, 2002, February 28, 2008 http://www.yenra.com/pros-and-cons-of-human-cloning>

Pros and Cons of Cloning: Plants/Animals/ and Humans. 17 April 1997. Madsci Network. 29 February 2008. <www.madsci.org/posts/archives/1997-08/861568165.ge.t.html>

Smith, Simon. “The Benefits of Human Cloning” 2002, Human Cloning Foundation. February 28, 2008 <http://www.humancloning.org/benefits.php>

The Human Genetic Code – The Human Genome Project and Beyond. “Centre for Genetics Education.” 2007, February 28, 2008 <http://www.genetics.com.au/pdf/factsheets/fs24.pdf>

The Mammal Copiers -  Advances in Cloning. 2004, Australian Academy
of Science. February 28, 2008 <http://www.science.org.au/nova/043/043key.htm>

What is Cloning: Is it Right or Wrong? 7 January 2002. Serendip. 8 March 2008. <http://serendip.brynmawr.edu/biology/b103/f00/web1/ali.html>