- unitdate
-
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"<span class=\"title\">Etude</span>, op.21, no.1"}
- scopecontent
-
{"value"=>"<p>Piano score, holograph ms.</p>"}
- container
-
{"type"=>"box", "value"=>"3"}
{"type"=>"folder", "value"=>"4"}
- unitid
-
{"type"=>"local_mss", "value"=>"846665"}