Here you will find additional content and links to more material on the web:
The Newton Project:
The Newt0n Project aims to bring Newton’s papers, which are held in archives and museums all over the world, together again in the digital realm.
Europe and China:
Andre Gunder Frank’s Reorient @ his own website
Tim Brook’s Vermeer’s Hat @ Bloomsbury Press
Interactive map of Hell for Dante’s Inferno:
This comes from a page called The World of Dante, where you can find some great related images, maps, timelines, music, etc. http://www.worldofdante.org/
Check it out!
Measuring worth historically: http://www.measuringworth.com/index.html