Bibliography

http://www.greekmythology.com/Myths/Heroes/Heracles/heracles.html
http://en.wikipedia.org/wiki/Alcmene
http://en.wikipedia.org/wiki/Labours_of_Hercules#The_labours
http://www.mythweb.com/hercules/herc02.html
http://www.timelessmyths.com/classical/fact-heracles.html#Companions
http://en.wikipedia.org/wiki/Heracles
http://www.timelessmyths.com/classical/fact-heracles.html
http://messagenetcommresearch.com/myths/bios/heracles.html
http://www.perseus.tufts.edu/Herakles/labors.html
http://www.mythweb.com/hercules/
http://listverse.com/2007/10/20/12-labors-of-heracles/