uscities.txt

This data is licensed under the GNU Free Documentation License
(http://www.gnu.org/copyleft/fdl.html).

It uses material from the Wikipedia article
List_of_cities_in_the_United_States_with_over_100%2C000_people
(http://en.wikipedia.org/wiki/List_of_cities_in_the_United_States_with_over_100%2C000_people).


countries.txt

This data is licensed under the GNU Free Documentation License
(http://www.gnu.org/copyleft/fdl.html).

It is a derivative work of the Wikipedia article List_of_countries
(http://en.wikipedia.org/wiki/List_of_countries).


isocountries.txt

This data is public domain and was obtained from:

    http://www.guavastudios.com/country-list.htm


nationalities.txt:

This data is public domain and was obtained from:

    http://www.guavastudios.com/nationalities-list.htm