<p>Based on:
</p>
<pre>   * Ethnologue (SIL) <a rel="nofollow" class="external free" href="http://www.lib.utexas.edu/maps/middle_east_and_asia/iran_peoples_82.jpg">http://www.lib.utexas.edu/maps/middle_east_and_asia/iran_peoples_82.jpg</a>
   * Encyclopedia Iranica
   * Compendium Linguarum Iranicarum
</pre>
    * 1985 map of languages of Afghanistan by Afghanistan's Central Statistics Office found here
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