Here is a similar map for the Roman world: http://journalofdigitalhumanities.org/wp-content/uploads/2012/08/iph1_800.png http://journalofdigitalhumanities.org/w

Here is a similar map for the Roman world: http://journalofdigitalhumanities.org/wp-content/uploads/2012/08/iph1_800.png http://journalofdigitalhumanities.org/wp-content/uploads/201....