Why We're Facing another 30 Years War 

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Bibliography
The Global Crisis by Geoffrey Parker
The Military Revolution by Geoffrey Parker
The 30 Years War by Peter Wilson
The Little Ice Age by Brian Fagan
Europe by Norman Davies
Atrocities by Matthew White
The Culture Map by Erin Meyer
The Great Wave by David Hackett Fischer
Secular Cycles by Peter Turchin
Disunited Nations by Peter Zeihan
The End of the World is Just the Beginning by Peter Zeihan
Millennium by Ian Mortimer
Protestants by Alec Ryrie
The Next 100 Years by George Friedman
The Great Leveler by Walter Scheidel
1632 by Eric Flint
Tecniques and Technology by Lewis Mumford