Real-time systems and programming languages
Alan Burns & Andy Wellings
Einfach "Das": Tagebuch eines ereignisreichen Jahres
Kenneth E. Wilber
Medieval Philosophy: A Very Short Introduction
John Marenbon
Sacred Geometry, article in Resurgence 2010
Frances Howard-Gordon
Science, Technology, and Government - Essay
Murray Newton Rothbard
City and Countryside in Late Medieval and Renaissance Italy: ...
Trevor Dean
The Inheritance of Rome: Illuminating the Dark Ages 400-1000
Chris Wickham
Penguin History of Europe (2)