Sites
http://www.32auctions.com/theintelligentoptimist
http://www.spacetelescope.org/extras/art/piercarla_garusi_01/
http://fineartamerica.com/profiles/piercarla-garusi.html
http://fineartamerica.com/profiles/piercarla-garusi.html
http://www.redbubble.com/people/pgartworks
http://www.cafepress.co.uk/PGArtWorks