Barbara Campbell, Trustee for the Estate of Neil Roberts Helen Maxwell Gallery, representing the estate of Neil Roberts http://www.helenmaxwell.com/home.asp NGA Research Library, repository of Neil Roberts Archives http://www.nga.gov.au/Research/Library/QueryForm.htm 02 6240 6530 Viscopy, copyright licensee for the Estate of Neil Roberts http://www.viscopy.com/ Merryn Gates, Services for Art, website manager Art Direction Creative, website designers http://www.artdirection.com.au/