A Study of History - Volume 4 - Breakdowns of Civilizations ...
Arnold J. Toynbee
Scattering, Natural Surfaces, and Fractals
Giorgio Franceschetti & Daniele Riccio
A Grammar of Goemai
Birgit Hellwig
Proto-Indo-European Etymological Dictionary
Indo-European Language Revival Association
An Imaginary Tale: The Story of [The Square Root of Minus One]
Paul J. Nahin
The Final Day
William R. Forstchen
John Matherson (3)