FYI: The source chart is on page 6 at http://books.google.com/books?id=vKxxtjJz--wC&dq=the+rise+and+decline+of+nations&printsec=frontcover&source=bn&hl=en http:

FYI: The source chart is on page 6 at http://books.google.com/books?id=vKxxtjJz--wC&dq=the+rise+and+decline+of+nations&printsec=frontcover&source=bn&hl=en http://books.google.com/books?id=vKxxtjJz--wC&dq=the+ris...