Shirvanshah
... that the lands of the Shirvanshah served as the focal point for Persian literature during the 12th century?
... that the lands of the <b id="mwBkI"><a class="mw-redirect" href="./Shirvanshah" id="mwBkM" rel="mw:WikiLink" title="Shirvanshah">Shirvanshah</a></b> served as the focal point for <a href="./Persian_literature" id="mwBkQ" rel="mw:WikiLink" title="Persian literature">Persian literature</a> during the 12th century?