Sources

Sources (first) used on 24 July 2009:

http://b8.ac-images.myspacecdn.com/00302/82/99/302509928_l.jpg

http://phoenix.metromix.com/business/company/tempe-improv-mill-avenue/674603/content
http://www.symfonee.com/improv/tempe/home/index.aspx


Sources (first) used on 28 July 2009:

http://en.wikipedia.org/wiki/The_Improv

http://en.wikipedia.org/wiki/Comedy_club

http://www.hellophoenix.com/Articles/Attraction/1109/Tempe_Improv_laughs,_good_food_and_fun.Cfm

http://historyofcomedy.blogspot.com/2004/12/first-stand-up.html

http://nl.wikipedia.org/wiki/Minstreel

http://en.wikipedia.org/wiki/Minstrel_show