1. Asiado, Tel . "Cynic Diogenes the Dog: Greek Philosopher of Sinope, a Contemporary of Aristotle." Suite101.com: Online Magazine and Writers' Network. N.p., 17 Aug. 2009. Web. 6 Oct. 2010. .

2. Piering, Julie. " Diogenes of Sinope [Internet Encyclopedia of Philosophy]." Internet Encyclopedia of Philosophy. N.p., 24 Apr. 2006. Web. 6 Oct. 2010. .

3. Hughes, Scott. "Diogenes The Dog." MillionsOfMouths.com ~ Website about hunger, poverty, and homelessness.... N.p., n.d. Web. 6 Oct. 2010. .

Oops seems I messed up on the citations, the websites didn't appear.
Edited:

1.Asiado, Tel. "Cynic Diogenes the Dog: Greek Philosopher of Sinope, a Contemporary of Aristotle." Suite101.com: Online Magazine and Writers' Network. http://www.suite101.com/content/cynic-diogenes-the-dog-a139925

2.Piering, Julie. " Diogenes of Sinope [Internet Encyclopedia of Philosophy]." Internet Encyclopedia of Philosophy. http://www.iep.utm.edu/diogsino/

3.Hughes, Scott. "Diogenes The Dog." MillionsOfMouths.com ~ Website about hunger, poverty, and homelessness.... http://millionsofmouths.com/diogenes.html