We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
Historical counties and states: http://publications.newberry.org/ahcbp/index.html contact: dis@newberry.org
http://www.cartotalk.com/index.php?showtopic=3462&st=0&p=20070&#entry20070
http://randymajors.com/p/worldmap.html
http://www.worldology.com/Europe/europe_history_lg.htm
http://www.clockwk.com/
http://www.lib.utexas.edu/maps/historic_us_cities.html
http://www.davidrumsey.com/
http://www.maxmind.com/en/worldcities (cities)