GH made art opinion no. 635 in 1997 and included the artwork in Art Forum Berlin 1997 at the David Pestorius Gallery, Berlin, in 1997. art opinion no. 635 is one of three in the unlimited edition Art Opinions. The artwork's medium includes watercolour, lead pencil and biro pen on paper, acrylic on MDF and wall surface, vinyl over rubber, measuring, overall, art opinion no. 635 is in a public collection: University Art Museum, Brisbane, 1999.
|08/09/1999||Space Affects: the art and architecture of James Birrell and Gail Hastings, Metro Arts (cur. David Pestorius), Brisbane|
|05/03/1998||All This And Heaven Too: 1998 Adelaide Biennial of Australian Art, Art Gallery of South Australia (cur. Juliana Engberg & Ewen McDonald), Adelaide|
|01/09/1997||Art Forum Berlin 1997, David Pestorius Gallery, Berlin|
James Birrell, ‘Abstract Distractions’, in David Pestorius (ed.), Space Affects: The art and architecture of James Birrell and Gail Hastings, exhibition catalogue, Metro Arts, Brisbane 1999, pp.23–5.
Kevin Murray, ‘All this and Heaven too’, Asialink, issue 18, no.2, June 1998, https://www.artlink.com.au/issues/1820/public-art-in-australia/.