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". Riptor3000 is the copyright holder of Boston.png (retreived from the Wikipedia and modified by Walter Bender, 2010). Elise Bender is the copyright holder of me.jpg World_Map.png was retrieved from the Wikipedia and modified by Walter Bender in 2009, 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 2009, 2010. earth.png, Massachusetts.png, North_America.jpg, and United_States.png were retrieved from the Wikipedia and modified by Walter Bender in 2009, 2010.