https://bernheim.org/shining-a-light-on-sound/
Professor David G Haskell lors d'une lecture de “The Songs of Trees“ (2017)
https://www.badische-zeitung.de/kultur-sonstige/ein-wunderbarer-ort--112375474.html
David George Haskell (2015)
http://www.sewanee.edu/academics/biology/facstaff/haskell.php
David George Haskell lors d'un cours littéral : communauté, contemplation, observation
http://blog.utc.edu/news/2013/04/george-haskell-to-discuss-the-forest-unseen-a-years-watch-in-nature/
Qui est le personnage principal ?