Source of the image and background for Ennui - http://www.tate.org.uk/art/artworks/sickert-ennui-n03846
Paper highlighting the roots and development of the term ekphrasis - http://csmt.uchicago.edu/glossary2004/ekphrasis.htm
The biography of Walter Sickert http://en.wikipedia.org/wiki/Walter_Sickert
The biography of Vernon Scannell http://www.poetryarchive.org/poetryarchive/singlePoet.do?poetId=35
Review of Dr. Ruth Webb's paper on ekphrasis in rhetorical theory - http://bmcr.brynmawr.edu/2009/2009-10-03.html
Paper highlighting the roots and development of the term ekphrasis - http://csmt.uchicago.edu/glossary2004/ekphrasis.htm
The biography of Walter Sickert http://en.wikipedia.org/wiki/Walter_Sickert
The biography of Vernon Scannell http://www.poetryarchive.org/poetryarchive/singlePoet.do?poetId=35
Review of Dr. Ruth Webb's paper on ekphrasis in rhetorical theory - http://bmcr.brynmawr.edu/2009/2009-10-03.html