The Tree of Knowledge
Tree of Ages
Sara C. Roethle
The Last Green Tree
Jim Grimsley
The Girl in the Tree
Mark David Wyers
Ester Boserup's theory of agrarian change
David Grigg
Tree of Life, Book of Death
Grania Davis
The Molecule of More
Daniel Z. Lieberman
Beneath the Tree of Heaven
David Wingrove
The life cycle of a tree
Bobbie Kalman
The Tree of Man
Patrick White
The Green Man's Foe
Ben Baldwin
