A New Map of Calecut, displaying an improved understanding of the Indian subcontinent from traditional Ptolemaic accounts.
<a href="//commons.wikimedia.org/wiki/Ptolemy" class="mw-redirect" title="Ptolemy">Ptolemy</a>
<a rel="nofollow" class="external text" href="http://www.columbia.edu/itc/mealac/pritchett/00maplinks/mughal/ruscelli1574/ruscelli1574.html">"Ptolemaic and Updated Atlas Maps, 1561 onward"</a>, at Columbia University, originally from Ruscelli's edition of Ptolemy's <i>Geography</i>