Powerpoints De-Pater-2002.-Interrel.-Dialoog-Gross-Ruther-1 De-Pater-2004.-Religion-and-Forestrty-IIFM-Bhopal-20040106-1 De-Pater-2005-Nijland.-VTB-seminar-Bossen-en-Ethiek-1 De-Pater-2006.-Sacred-Forests-Sylvatica-1 De-Pater-2007.-DHO-workshop-Religie-en-Natuur-1 De-Pater-2008.-IndigForMgt-sympsium-RU-Nijmegen-1 De-Pater-2010.-Milieu-Levensbesch-Rel.-Workshop-Rotterdam-1 De-Pater-2011.-Pluralism-IndigForMgt-Exp.-Mtg.-Univ.-Humanistiek-1 De-Pater-2012.-Spiritual-Experiences-in-Nature-Eco-friendliness…-1 De-Pater-2016.-Ken-Wilber-Studiemiddag-Stoutenburg-1 De-Pater-2017.-Spir.-Values-Sustainable-Forest-Mgt-1 De-Pater-2018-Articulation-of-Spiritual-Values-in-FMPs-1 De-Pater-2019a.-What-are-Spiritual-Values-Seminar-WUR-PAP-20190312-1 De-Pater-2019b.-Japanse-religies-en-natuur.-Ensoschool-Adam-1 De-Pater-2021a.-Spiritual-Values-and-Forest-Mgt.-NGG-20210312-1 De-Pater-2021b.-Spir.-Values-Forest-Mgt.-Munchen-20210411-1