<p>Map of Indian subcontinent illustrating stability and historical permanency of the regional cultural frontiers and areas.
</p>
<ul><li>This map is based on <a rel="nofollow" class="external text" href="http://www.history.upenn.edu/coursepages/hist086/material/schmidt3a.jpg">Map 1.3 "Regional Frontiers and Culture Areas"</a> in <cite class="book" style="font-style:normal">Karl J. Schmidt (2015)      <i> <a rel="nofollow" class="external text" href="https://books.google.com/books?id=BqdzCQAAQBAJ&amp;pg=PA5">An Atlas and Survey of South Asian History</a></i>, Routledge, pp. 5  <small><a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN</a>:  <a href="//commons.wikimedia.org/wiki/Special:BookSources/978-1-317-47681-8" title="Special:BookSources/978-1-317-47681-8">978-1-317-47681-8</a>. </small></cite></li>
<li>An adaptation of this map appears as Map 0.4 "The historical regions" in <cite class="book" style="font-style:normal">Michael Mann (2014)      <i> <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Uh0cBQAAQBAJ&amp;pg=PT23">South Asia’s Modern History: Thematic Perspectives</a></i>, Taylor &amp; Francis, pp. 23  <small><a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN</a>:  <a href="//commons.wikimedia.org/wiki/Special:BookSources/978-1-317-62445-5" title="Special:BookSources/978-1-317-62445-5">978-1-317-62445-5</a>. </small></cite>. Mann's version depicts two stable areas each in Maharashtra and Tamil Nadu, enlarges the unstable area in Karnataka, and has other minor changes.</li></ul>
<a href="//commons.wikimedia.org/wiki/User:Miljoshi" title="User:Miljoshi">User:Miljoshi</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>