http://www.biography.com/people/roy-lichtenstein-9381678
http://www.wikipaintings.org/en/roy-lichtenstein
http://www.nga.gov/feature/sculpturegarden/sculpture/sculpture15.shtm
http://articles.latimes.com/2012/oct/17/entertainment/la-et-cm-roy-lichtenstein-electric-cord-returned-20121016
http://www.tate.org.uk/art/artworks/lichtenstein-whaam-t00897
http://www.moma.org/collection/object.php?object_id=79665
http://www.moma.org/collection/artist.php?artist_id=3542
http://artdaily.com/news/63567/Gagosian-Paris-exhibition-explores-styles-and-movements-appropriated-by-Roy-Lichtenstein#.Up7SmmRDvso