In the late 19th and early 20th century character maps were all the rage. This map called dogs of war, produced by Johnson, Riddle and Co in London, ilustrates the conflict in WW I using dogs as the protagonizt.
pk writes about this map
and others on the BibliOdyssey (http://bibliodyssey.blogspot.com
) - this blog itself is an amazing resource. for more about the blog and its mysterious author see Damain English article