Program sheet for <a href="https://en.wikipedia.org/wiki/Rebecca_Helferich_Clarke" class="extiw" title="w:Rebecca Helferich Clarke">Rebecca Clarke's</a> first performance of <i>Morpheus</i><a rel="nofollow" class="external autonumber" href="http://www.rebeccaclarke.org/worksi.html">[1]</a>
Haensel &amp; Jones, Aeolian Hall, New York
1918-02-13
Scan uploaded by <a href="//commons.wikimedia.org/wiki/User:Mindspillage" title="User:Mindspillage">User:Mindspillage</a>