Permission is granted to copy, distribute and/or modify these documents
under the terms of the GNU Free Documentation License, Version 1.2 or
any later version published by the Free Software Foundation; with no
Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
copy of the license is included in the section entitled "GNU Free
Documentation License".

The images retrieved from Wikipedia are available under the Creative
Commons Attribution-ShareAlike 3.0 license (CC_BY_SA 3.0).

Riptor3000 is the copyright holder of Boston.png (retrieved from the
Wikipedia and modified by Walter Bender, 2010).

Pythagoras is from the Wikimedia Commons, uploaded in 2007 by Galilea.

Elise Bender is the copyright holder of me.jpg

Nutzelfutz uploaded World_Map_flat_Mercator.png to the Wikipedia in
2008. World_Map.png is a modification of World_Map_flat_Mercator.png
by Walter Bender in 2010. Africa.png, Australia.png, Eurasia.png,
North_America.png, and South_America.png are modifications of
World_Map.png made by Jalen Basquiet and Walter Bender in 2010.

Earth Western Hemisphere.jpg is a NASA image uploaded to Wikipedia in
2005 by Tom. earth.png is a modification of Earth Western
Hemisphere.jpg made by Walter Bender in 2010.

North America satellite globe.jpg is a NASA image uploaded to
Wikipedia in 2004 by Bjarki S. North Aemrica.jpg is a modification of
North America satellite globe.jpg made by Walter Bender in 2010.

MissMJ uploaded 2000px-New_England_USA.svg.png to the WIkipedia in
2008. New_England.png, Massachusetts.png and United_States.png are
modifications of 2000px-New_England_USA.svg.png made by Walter Bender
in 2010.

