- unitid
-
{"value"=>"3145392", "type"=>"local_mss"}
- unitdate
-
{"value"=>"June 1961", "type"=>"inclusive", "normal"=>"1961-06"}
- unittitle
-
{"value"=>"<span class=\"title\">Nabucco</span>, Metropolitan Opera House, New York City"}
- scopecontent
-
{"value"=>"<p>Includes Cornell MacNeil, Eugenio Fernandi, Jerome Hines, Helen Vanni, and others</p>"}
- container
-
{"type"=>"box", "value"=>"9"}
{"type"=>"folder", "value"=>"3"}
- date_start
-
1961-06
- keydate
-
1961-06
- date_end
-
1961-06
- date_inclusive_start
-
1961
- date_inclusive_end
-
1961