Source: National Endowment for the Arts, A Decade of Arts Engagement: Findings from the Survey of Public Participation in the Arts, 2002–2012. 2015. Print.
Sources: UCLA. Dr. James Catterall. 1997.
Doing Well and Doing Good by Doing Art. Catterall, James S. 2009
Source: Colorado Business Committee for the Arts, Economic Activity Study of Metro Denver Culture. 2013. http://cbca.org/programs/economic-activities-study/