Reading the Rocks, Marcia Bjornerud
Mohn und Gedächtnis, Von Schwelle zu Schwelle, Sprachgitter, Die Niemandsrose, Paul Celan
Nature, Ralph Waldo Emerson
Siddhartha, Hemann Hesse
I am the Grand Canyon, Stephen Hirst
The Jefferson Bible, compiled by Thomas Jefferson
Tao Te Ching, Lao-Tzu
What Evolution Is, Ernst Mayr
Annals of the Former World, John McPhee
My First Summer in the Sierra, John Muir
Pensées, Blaise Pascal
The Symposium, Plato
Euthyphro, Apology, Crito, Meno, Phaedo, Plato
Walden, Henry David Thoreau
The Art of Memory, Frances Yates