An open secret. 

 - 1 score 
 -  sheet music 
<br/><br/> Location: Box 24 
<br/><br/> For information about this resource, refer to finding aid available at  https://hdl.loc.gov/loc.music/eadmus.mu002003 
<br/><br/><label>LCCN: </label>2023792476 
<br/><br/><label>LC Class. No.: </label>ML31  / .E3 
<br/><br/><label>Dewey Class. No.: </label>362.19697  / KAL