David Holmgren
David Holmgren a zo un ekologour ha skrivagner aostralian ganet e 1955. Brudet eo dreist-holl evit bezañ krouet asambles gant Bill Mollison mennozh ar permakultur.

Oberennoù
 1978 Mollison, Bill and David Holmgren Permaculture One: A Perennial Agriculture for Human Settlements. Melbourne: Transworld.
 1985 Permaculture in the Bush. Hepburn, Victoria: Holmgren Design Services.
 1994 Trees on the Treeless Plains: Revegetation Manual for Volcanic Landscapes of Central Victoria. Hepburn, Victoria: Holmgren Design Services.
 1995 'The Permaculture Movement and Education' in Goldfields Permaculture and Landcarers, 3, 14-16.
 1996 a Melliodora (Hepburn Permaculture Gardens): Ten Years of Sustainable Living. Hepburn, Victoria: Holmgren Design Services.
 1996 b 'Fryers Forest Village'. In Green Connections, 2.2, 20-21.
 1997 'Getting Started'. In Green Connections, 10, 28-31.
 2002 a Permaculture. Principles and Pathways beyond Sustainability. Hepburn, Victoria: Holmgren Design Services.
 2002 b David Holmgren: Collected Writings 1978-2000.[CD] Hepburn, Victoria: Holmgren Design Services.
 2005 Mellidora (Hepburn Permaculture Gardens): A Case Study in Cool Climate Permaculture 1985 - 2005 [eBook] Hepburn, Victoria: Holmgren Design Services.
 2006 a Trees on the Treeless Plains: Revegetation Manual for Volcanic Landscapes of Central Victoria. [eBook] Hepburn, Victoria: Holmgren Design Services.
 2006 b David Holmgren: Collected Writings & Presentations 1978 - 2006 [eBook] Hepburn, Victoria: Holmgren Design Services.

Ganedigezhioù 1955
Ekologourien