William F. Hanson
... that William F. Hanson collaborated with Zitkala-Sa on a Sioux-inspired work called The Sun Dance Opera?
... that <b id="mwAV0"><a href="./William_F._Hanson" id="mwAV4" rel="mw:WikiLink" title="William F. Hanson">William F. Hanson</a></b> collaborated with <a href="./Zitkala-Sa" id="mwAV8" rel="mw:WikiLink" title="Zitkala-Sa">Zitkala-Sa</a> on a Sioux-inspired work called <i id="mwAWA">The Sun Dance Opera</i>?