Outlines of the Philosophy of Right
G. W. F. Hegel
Historical Dictionary of Wittgenstein's Philosophy
Duncan Richter
The Politics of Obedience: The Discourse of Voluntary Servitude
Estienne de La Boétie
The Art of Software Testing
Corey Sandler & Glenford J. Myers & Tom Badgett
Grassmann Algebra - Draft
John Browne
The Programmer's Brain MEAP V03
Felienne Hermans