- unitid
-
{"value"=>"3145186", "type"=>"local_mss"}
- unitdate
-
{"type"=>"inclusive", "value"=>"undated"}
- unittitle
-
{"value"=>"Metropolitan Opera House, New York City"}
- scopecontent
-
{"value"=>"<p>Includes Ludwig Burgstaller, Lily Pons, Giuseppe Valdengo, Roberta Peters, Salvatori Baccaloni, and others</p>"}
- container
-
{"type"=>"box", "value"=>"2"}
{"type"=>"folder", "value"=>"2"}