Age of the Caliphs (version with more surrounding space)
Brian Szymanski
2007-09-19
Adapted from <a rel="nofollow" class="external text" href="http://www.gl.iit.edu/govdocs/maps/maps.htm">http://www.gl.iit.edu/govdocs/maps/maps.htm</a> (via <a href="//commons.wikimedia.org/wiki/File:Age_of_Caliphs.png" title="File:Age of Caliphs.png">Image:Age_of_Caliphs.png</a>), traced on high resolution version of <a href="//commons.wikimedia.org/wiki/File:BlankMap-World6.svg" class="mw-redirect" title="File:BlankMap-World6.svg">Image:BlankMap-World6.svg</a>