<a href="https://en.wikipedia.org/wiki/Buzurgmihr" class="extiw" title="w:Buzurgmihr">Buzurgmihr</a> demonstrates the game of <a href="https://en.wikipedia.org/wiki/nard" class="extiw" title="w:nard">nard</a> to the Indian <a href="https://en.wikipedia.org/wiki/raja" class="extiw" title="w:raja">rajas</a>
Unknown author<span style="display: none;">Unknown author</span>
Wilkinson, Charles K. "Chessmen and Chess", <i>The Metropolitan Museum of Art Bulletin</i>. New Series, Vol. 1, No. 9 (May, 1943), pp. 273.<a rel="nofollow" class="external text" href="https://www.jstor.org/stable/3257111">JSTOR</a>