List of external authors:
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bg_map1.jpg	David Rumsey Map Collection, www.davidrumsey.com


Source of edited image:
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military.png	David Rumsey Map Collection, www.davidrumsey.com
political.png	David Rumsey Map Collection, www.davidrumsey.com
religious.png	David Rumsey Map Collection, www.davidrumsey.com
trade.png	David Rumsey Map Collection, www.davidrumsey.com
exploration.png	David Rumsey Map Collection, www.davidrumsey.com
landing.png	David Rumsey Map Collection, www.davidrumsey.com


Our contacts:
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David Rumsey Map Collection: 	Stian Grenborgen <stiangre@ifi.uio.no>