Hitz gakoa Biodynamic Agriculture

Utopiaggia - Un rêve de liberté en Italie

Utopiaggia - Un rêve de liberté en Italie (2023)

One Man, One Cow, One Planet

One Man, One Cow, One Planet (2007)

Dr Rudolf Steiner and the Science of Spiritual Realities

Dr Rudolf Steiner and the Science of Spiritual Realities (1993)

Permaculture, la voie de l'autonomie

Permaculture, la voie de l'autonomie (2019)

Sovereign Soil (2019)

Michael Schmidt: Organic Hero or Bioterrorist

Michael Schmidt: Organic Hero or Bioterrorist (2008)

Perfect Compost: a Master Class with Peter Proctor

Perfect Compost: a Master Class with Peter Proctor (2012)