Historic map of the Achaemenid Empire
<bdi><a href="https://en.wikipedia.org/wiki/en:William_Robert_Shepherd" class="extiw" title="w:en:William Robert Shepherd"><span title="American cartographer and historian (1871–1934)">William Robert Shepherd</span></a>
</bdi>
1923
<ul><li><a rel="nofollow" class="external free" href="http://www.lib.utexas.edu/maps/historical/history_asia.html">http://www.lib.utexas.edu/maps/historical/history_asia.html</a></li>
<li><a rel="nofollow" class="external free" href="http://www.lib.utexas.edu/maps/historical/shepherd/persian_empire.jpg">http://www.lib.utexas.edu/maps/historical/shepherd/persian_empire.jpg</a></li></ul>