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1
After collapse the regeneration of complex societies /
Published 2010An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
2
The Axial Age and its consequences
Published 2012An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
3
Axial civilizations and world history
Published 2005An electronic book accessible through the World Wide Web; click to view
Electronic eBook