Peter Coster, Herald Sun, 'Winning bid', pg. 50, Port Melbourne, 09 Mar 2006, 50.

Sarah Couper, Look, 'Backstage: Deborah Edwards, Senior curator Australian art', pg. 11, Sydney, Nov 2015, 11 (colour illus.). Deborah Edwards photographed standing behind Klippel's 'No. 300'

Deborah Edwards, Look, 'A Klippel masterpiece: inaugural Gleeson O'Keefe Foundation purchase', pg. 13, Sydney, Jun 2006, 13 (colour illus.).

Peter Fish, The Sydney Morning Herald, 'A Klippel in every corner', pg. 46, Sydney, 11 Mar 2006-12 Mar 2006, 46.

Sasha Grishin, Australian art: a history, 'The postmodern condition and the changing nature of Australian art', pg. 468-477, Carlton, 2013, 472 (colour illus.), 473, 553, 563. plate no. 43.3

Terry Ingram, The Australian financial review, 'From junkyard to poolside: Sydney splashes out on parterre sculpture', pg. 64, Sydney, 09 Mar 2006, 64.

Jill Sykes, Look, 'Small and temporary: but it's a big pointer to the future', pg. 28-29, Sydney, Sep 2011, 29 (colour illus.).

Matthew Westwood, The Australian, 'Miniatures fetch large price', pg. 5, Sydney, 08 Mar 2006, 5.

Robert Klippel: Catalogue raisonné of sculpture, Sydney, 2002, (illus.). catalogue entry: No. 300

Robert Klippel: a retrospective exhibition of sculpture and works on paper, Bulleen, 1987. cat.no. 79

Robert Klippel, Kensington, 1983, 344-45, 475. plate no. 267

Robert Klippel, Sculpture since 1970, Unknown, 1979. cat.no. 8

Robert Klippel, Sydney, 2002, 140, 155 (colour illus.), 249.

Art Gallery of New South Wales annual report 2006, 'Year in review: Australian art', pg. 20-22, Sydney, 2006, 20, 21 (colour illus.).

Look, 'James Gleeson', pg. 11, Sydney, Feb 2007, 11 (colour illus.).

The W.R. Burge Collection of Australian and International pictures and sculpture, Monday 6 March 2006, Melbourne, 2006, 10, 11 (colour illus.). lot no. 4; titled 'Opus 300'; Estimate: $70,000-90,000

Art and Australia (Vol. 44, No. 2), 'Artnews 2006: Major acquisitions', pg. 213, Sydney, Dec 2006-Feb 2007, 213 (colour illus.).