Faktencheck Nachhaltigkeit
Thomas Unnerstall
The Pentagon's Brain
Annie Jacobsen
Encyclopedia of Wood
Time-Life Books
The Works of Johh Locke in 9 volumes, vol. 6 (1695)
John Locke
Activation of Energy
Pierre Teilhard de Chardin
Pocket Guide to Postmodernism
Andrew Colgan & Stephen R. C. Hicks