http://en.wikipedia.org/wiki/Ernest_Thompson_Seton
http://www.etsetoninstitute.org/
_ NATURE | The Wolf That Changed America | Steel Traps | PBS
http://www.youtube.com/watch?v=AMkEF6EKm9I
_ Ernest Thompson Seton in Prague 1936
http://www.youtube.com/watch?v=8ci9veHvGhY
